Home / 527,052.20-790,654.98-171,978.80

Finding the Fourth Proportional to 527,052.20, 790,654.98 and 171,978.80

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Solution

The fourth proportional to 527,052.20, 790,654.98 and 171,978.80 is: 257,993.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,052.20 : 790,654.98 = 171,978.80 : x
  2. Step 2: Convert to fraction form
    527,052.20/790,654.98 = 171,978.80/x
  3. Step 3: Cross multiply
    527,052.20x = 790,654.98 × 171,978.80
  4. Step 4: Simplify right side
    527,052.20x = 135,975,894,674.42
  5. Step 5: Solve for x
    x = 135,975,894,674.42/527,052.20
  6. Step 6: Final answer
    x = 257,993.22

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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.