Home / 765,861.63-1,148,791.91-344,645.43

Finding the Fourth Proportional to 765,861.63, 1,148,791.91 and 344,645.43

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Solution

The fourth proportional to 765,861.63, 1,148,791.91 and 344,645.43 is: 516,967.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,861.63 : 1,148,791.91 = 344,645.43 : x
  2. Step 2: Convert to fraction form
    765,861.63/1,148,791.91 = 344,645.43/x
  3. Step 3: Cross multiply
    765,861.63x = 1,148,791.91 × 344,645.43
  4. Step 4: Simplify right side
    765,861.63x = 395,925,880,079.24
  5. Step 5: Solve for x
    x = 395,925,880,079.24/765,861.63
  6. Step 6: Final answer
    x = 516,967.90

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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.