Home / 731,028.48-1,008,772.56-408,765.12

Finding the Fourth Proportional to 731,028.48, 1,008,772.56 and 408,765.12

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Solution

The fourth proportional to 731,028.48, 1,008,772.56 and 408,765.12 is: 564,069.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,028.48 : 1,008,772.56 = 408,765.12 : x
  2. Step 2: Convert to fraction form
    731,028.48/1,008,772.56 = 408,765.12/x
  3. Step 3: Cross multiply
    731,028.48x = 1,008,772.56 × 408,765.12
  4. Step 4: Simplify right side
    731,028.48x = 412,351,036,541.11
  5. Step 5: Solve for x
    x = 412,351,036,541.11/731,028.48
  6. Step 6: Final answer
    x = 564,069.73

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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.