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Finding the Fourth Proportional to 574,065.20, 859,056.60 and 499,998.80

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Solution

The fourth proportional to 574,065.20, 859,056.60 and 499,998.80 is: 748,220.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,065.20 : 859,056.60 = 499,998.80 : x
  2. Step 2: Convert to fraction form
    574,065.20/859,056.60 = 499,998.80/x
  3. Step 3: Cross multiply
    574,065.20x = 859,056.60 × 499,998.80
  4. Step 4: Simplify right side
    574,065.20x = 429,527,269,132.08
  5. Step 5: Solve for x
    x = 429,527,269,132.08/574,065.20
  6. Step 6: Final answer
    x = 748,220.36

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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.