Home / 834,488.29-1,151,741.28-490,324.15

Finding the Fourth Proportional to 834,488.29, 1,151,741.28 and 490,324.15

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Solution

The fourth proportional to 834,488.29, 1,151,741.28 and 490,324.15 is: 676,733.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,488.29 : 1,151,741.28 = 490,324.15 : x
  2. Step 2: Convert to fraction form
    834,488.29/1,151,741.28 = 490,324.15/x
  3. Step 3: Cross multiply
    834,488.29x = 1,151,741.28 × 490,324.15
  4. Step 4: Simplify right side
    834,488.29x = 564,726,564,135.91
  5. Step 5: Solve for x
    x = 564,726,564,135.91/834,488.29
  6. Step 6: Final answer
    x = 676,733.96

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Double scale
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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.