Home / 755,733.20-1,042,912.92-411,569.86

Finding the Fourth Proportional to 755,733.20, 1,042,912.92 and 411,569.86

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Solution

The fourth proportional to 755,733.20, 1,042,912.92 and 411,569.86 is: 567,967.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,733.20 : 1,042,912.92 = 411,569.86 : x
  2. Step 2: Convert to fraction form
    755,733.20/1,042,912.92 = 411,569.86/x
  3. Step 3: Cross multiply
    755,733.20x = 1,042,912.92 × 411,569.86
  4. Step 4: Simplify right side
    755,733.20x = 429,231,524,476.59
  5. Step 5: Solve for x
    x = 429,231,524,476.59/755,733.20
  6. Step 6: Final answer
    x = 567,967.01

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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.