Home / 974,080.56-1,344,114.76-538,439.07

Finding the Fourth Proportional to 974,080.56, 1,344,114.76 and 538,439.07

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Solution

The fourth proportional to 974,080.56, 1,344,114.76 and 538,439.07 is: 742,981.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,080.56 : 1,344,114.76 = 538,439.07 : x
  2. Step 2: Convert to fraction form
    974,080.56/1,344,114.76 = 538,439.07/x
  3. Step 3: Cross multiply
    974,080.56x = 1,344,114.76 × 538,439.07
  4. Step 4: Simplify right side
    974,080.56x = 723,723,901,347.67
  5. Step 5: Solve for x
    x = 723,723,901,347.67/974,080.56
  6. Step 6: Final answer
    x = 742,981.57

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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.