Home / 834,221.32-1,151,234.48-490,071.76

Finding the Fourth Proportional to 834,221.32, 1,151,234.48 and 490,071.76

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Solution

The fourth proportional to 834,221.32, 1,151,234.48 and 490,071.76 is: 676,304.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,221.32 : 1,151,234.48 = 490,071.76 : x
  2. Step 2: Convert to fraction form
    834,221.32/1,151,234.48 = 490,071.76/x
  3. Step 3: Cross multiply
    834,221.32x = 1,151,234.48 × 490,071.76
  4. Step 4: Simplify right side
    834,221.32x = 564,187,506,133.38
  5. Step 5: Solve for x
    x = 564,187,506,133.38/834,221.32
  6. Step 6: Final answer
    x = 676,304.35

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Half scale
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Double scale
Find fourth proportional to 834,222.32, 1,151,235.86 and 490,072.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.