Home / 755,753.27-1,042,862.40-465,318.77

Finding the Fourth Proportional to 755,753.27, 1,042,862.40 and 465,318.77

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Solution

The fourth proportional to 755,753.27, 1,042,862.40 and 465,318.77 is: 642,092.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,753.27 : 1,042,862.40 = 465,318.77 : x
  2. Step 2: Convert to fraction form
    755,753.27/1,042,862.40 = 465,318.77/x
  3. Step 3: Cross multiply
    755,753.27x = 1,042,862.40 × 465,318.77
  4. Step 4: Simplify right side
    755,753.27x = 485,263,444,032.94
  5. Step 5: Solve for x
    x = 485,263,444,032.94/755,753.27
  6. Step 6: Final answer
    x = 642,092.42

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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.