Home / 748,177.06-1,032,489.69-408,645.22

Finding the Fourth Proportional to 748,177.06, 1,032,489.69 and 408,645.22

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Solution

The fourth proportional to 748,177.06, 1,032,489.69 and 408,645.22 is: 563,933.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,177.06 : 1,032,489.69 = 408,645.22 : x
  2. Step 2: Convert to fraction form
    748,177.06/1,032,489.69 = 408,645.22/x
  3. Step 3: Cross multiply
    748,177.06x = 1,032,489.69 × 408,645.22
  4. Step 4: Simplify right side
    748,177.06x = 421,921,976,517.78
  5. Step 5: Solve for x
    x = 421,921,976,517.78/748,177.06
  6. Step 6: Final answer
    x = 563,933.32

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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.