Home / 917,169.92-1,375,031.32-579,498.92

Finding the Fourth Proportional to 917,169.92, 1,375,031.32 and 579,498.92

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Solution

The fourth proportional to 917,169.92, 1,375,031.32 and 579,498.92 is: 868,791.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,169.92 : 1,375,031.32 = 579,498.92 : x
  2. Step 2: Convert to fraction form
    917,169.92/1,375,031.32 = 579,498.92/x
  3. Step 3: Cross multiply
    917,169.92x = 1,375,031.32 × 579,498.92
  4. Step 4: Simplify right side
    917,169.92x = 796,829,164,906.18
  5. Step 5: Solve for x
    x = 796,829,164,906.18/917,169.92
  6. Step 6: Final answer
    x = 868,791.21

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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.