Home / 913,044.13-1,260,404.48-545,650.91

Finding the Fourth Proportional to 913,044.13, 1,260,404.48 and 545,650.91

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Solution

The fourth proportional to 913,044.13, 1,260,404.48 and 545,650.91 is: 753,239.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,044.13 : 1,260,404.48 = 545,650.91 : x
  2. Step 2: Convert to fraction form
    913,044.13/1,260,404.48 = 545,650.91/x
  3. Step 3: Cross multiply
    913,044.13x = 1,260,404.48 × 545,650.91
  4. Step 4: Simplify right side
    913,044.13x = 687,740,842,449.80
  5. Step 5: Solve for x
    x = 687,740,842,449.80/913,044.13
  6. Step 6: Final answer
    x = 753,239.43

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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.