Home / 801,124.29-1,200,855.82-500,915.71

Finding the Fourth Proportional to 801,124.29, 1,200,855.82 and 500,915.71

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Solution

The fourth proportional to 801,124.29, 1,200,855.82 and 500,915.71 is: 750,854.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,124.29 : 1,200,855.82 = 500,915.71 : x
  2. Step 2: Convert to fraction form
    801,124.29/1,200,855.82 = 500,915.71/x
  3. Step 3: Cross multiply
    801,124.29x = 1,200,855.82 × 500,915.71
  4. Step 4: Simplify right side
    801,124.29x = 601,527,545,682.93
  5. Step 5: Solve for x
    x = 601,527,545,682.93/801,124.29
  6. Step 6: Final answer
    x = 750,854.21

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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.