Home / 730,475.15-1,008,036.34-408,187.90

Finding the Fourth Proportional to 730,475.15, 1,008,036.34 and 408,187.90

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Solution

The fourth proportional to 730,475.15, 1,008,036.34 and 408,187.90 is: 563,288.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,475.15 : 1,008,036.34 = 408,187.90 : x
  2. Step 2: Convert to fraction form
    730,475.15/1,008,036.34 = 408,187.90/x
  3. Step 3: Cross multiply
    730,475.15x = 1,008,036.34 × 408,187.90
  4. Step 4: Simplify right side
    730,475.15x = 411,468,231,708.10
  5. Step 5: Solve for x
    x = 411,468,231,708.10/730,475.15
  6. Step 6: Final answer
    x = 563,288.47

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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.