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Finding the Fourth Proportional to 574,066.20, 859,058.10 and 499,999.80

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Solution

The fourth proportional to 574,066.20, 859,058.10 and 499,999.80 is: 748,221.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,066.20 : 859,058.10 = 499,999.80 : x
  2. Step 2: Convert to fraction form
    574,066.20/859,058.10 = 499,999.80/x
  3. Step 3: Cross multiply
    574,066.20x = 859,058.10 × 499,999.80
  4. Step 4: Simplify right side
    574,066.20x = 429,528,878,188.38
  5. Step 5: Solve for x
    x = 429,528,878,188.38/574,066.20
  6. Step 6: Final answer
    x = 748,221.86

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1.5x scale

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.