Home / 713,757.60-1,070,635.68-215,121.60

Finding the Fourth Proportional to 713,757.60, 1,070,635.68 and 215,121.60

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Solution

The fourth proportional to 713,757.60, 1,070,635.68 and 215,121.60 is: 322,682.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,757.60 : 1,070,635.68 = 215,121.60 : x
  2. Step 2: Convert to fraction form
    713,757.60/1,070,635.68 = 215,121.60/x
  3. Step 3: Cross multiply
    713,757.60x = 1,070,635.68 × 215,121.60
  4. Step 4: Simplify right side
    713,757.60x = 230,316,860,498.69
  5. Step 5: Solve for x
    x = 230,316,860,498.69/713,757.60
  6. Step 6: Final answer
    x = 322,682.18

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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.