Home / 758,765.90-1,136,109.36-577,990.17

Finding the Fourth Proportional to 758,765.90, 1,136,109.36 and 577,990.17

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Solution

The fourth proportional to 758,765.90, 1,136,109.36 and 577,990.17 is: 865,431.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,765.90 : 1,136,109.36 = 577,990.17 : x
  2. Step 2: Convert to fraction form
    758,765.90/1,136,109.36 = 577,990.17/x
  3. Step 3: Cross multiply
    758,765.90x = 1,136,109.36 × 577,990.17
  4. Step 4: Simplify right side
    758,765.90x = 656,660,042,124.99
  5. Step 5: Solve for x
    x = 656,660,042,124.99/758,765.90
  6. Step 6: Final answer
    x = 865,431.68

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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.