Home / 857,282.27-1,283,400.87-572,265.90

Finding the Fourth Proportional to 857,282.27, 1,283,400.87 and 572,265.90

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Solution

The fourth proportional to 857,282.27, 1,283,400.87 and 572,265.90 is: 856,714.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,282.27 : 1,283,400.87 = 572,265.90 : x
  2. Step 2: Convert to fraction form
    857,282.27/1,283,400.87 = 572,265.90/x
  3. Step 3: Cross multiply
    857,282.27x = 1,283,400.87 × 572,265.90
  4. Step 4: Simplify right side
    857,282.27x = 734,446,553,931.33
  5. Step 5: Solve for x
    x = 734,446,553,931.33/857,282.27
  6. Step 6: Final answer
    x = 856,714.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.