Home / 731,940.30-1,010,357.55-445,443.30

Finding the Fourth Proportional to 731,940.30, 1,010,357.55 and 445,443.30

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Solution

The fourth proportional to 731,940.30, 1,010,357.55 and 445,443.30 is: 614,882.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,940.30 : 1,010,357.55 = 445,443.30 : x
  2. Step 2: Convert to fraction form
    731,940.30/1,010,357.55 = 445,443.30/x
  3. Step 3: Cross multiply
    731,940.30x = 1,010,357.55 × 445,443.30
  4. Step 4: Simplify right side
    731,940.30x = 450,057,001,251.92
  5. Step 5: Solve for x
    x = 450,057,001,251.92/731,940.30
  6. Step 6: Final answer
    x = 614,882.12

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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.