Home / 974,278.73-1,344,443.54-538,684.83

Finding the Fourth Proportional to 974,278.73, 1,344,443.54 and 538,684.83

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Solution

The fourth proportional to 974,278.73, 1,344,443.54 and 538,684.83 is: 743,351.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,278.73 : 1,344,443.54 = 538,684.83 : x
  2. Step 2: Convert to fraction form
    974,278.73/1,344,443.54 = 538,684.83/x
  3. Step 3: Cross multiply
    974,278.73x = 1,344,443.54 × 538,684.83
  4. Step 4: Simplify right side
    974,278.73x = 724,231,337,096.07
  5. Step 5: Solve for x
    x = 724,231,337,096.07/974,278.73
  6. Step 6: Final answer
    x = 743,351.27

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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.