Home / 857,245.54-1,283,345.77-572,229.13

Finding the Fourth Proportional to 857,245.54, 1,283,345.77 and 572,229.13

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Solution

The fourth proportional to 857,245.54, 1,283,345.77 and 572,229.13 is: 856,659.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,245.54 : 1,283,345.77 = 572,229.13 : x
  2. Step 2: Convert to fraction form
    857,245.54/1,283,345.77 = 572,229.13/x
  3. Step 3: Cross multiply
    857,245.54x = 1,283,345.77 × 572,229.13
  4. Step 4: Simplify right side
    857,245.54x = 734,367,833,456.28
  5. Step 5: Solve for x
    x = 734,367,833,456.28/857,245.54
  6. Step 6: Final answer
    x = 856,659.85

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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.