Home / 834,275.87-1,151,309.54-490,126.13

Finding the Fourth Proportional to 834,275.87, 1,151,309.54 and 490,126.13

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Solution

The fourth proportional to 834,275.87, 1,151,309.54 and 490,126.13 is: 676,379.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,275.87 : 1,151,309.54 = 490,126.13 : x
  2. Step 2: Convert to fraction form
    834,275.87/1,151,309.54 = 490,126.13/x
  3. Step 3: Cross multiply
    834,275.87x = 1,151,309.54 × 490,126.13
  4. Step 4: Simplify right side
    834,275.87x = 564,286,889,272.28
  5. Step 5: Solve for x
    x = 564,286,889,272.28/834,275.87
  6. Step 6: Final answer
    x = 676,379.25

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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.