Home / 730,310.38-1,007,833.39-408,034.06

Finding the Fourth Proportional to 730,310.38, 1,007,833.39 and 408,034.06

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Solution

The fourth proportional to 730,310.38, 1,007,833.39 and 408,034.06 is: 563,089.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,310.38 : 1,007,833.39 = 408,034.06 : x
  2. Step 2: Convert to fraction form
    730,310.38/1,007,833.39 = 408,034.06/x
  3. Step 3: Cross multiply
    730,310.38x = 1,007,833.39 × 408,034.06
  4. Step 4: Simplify right side
    730,310.38x = 411,230,346,385.60
  5. Step 5: Solve for x
    x = 411,230,346,385.60/730,310.38
  6. Step 6: Final answer
    x = 563,089.83

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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.