Home / 572,821.20-857,190.60-498,754.80

Finding the Fourth Proportional to 572,821.20, 857,190.60 and 498,754.80

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Solution

The fourth proportional to 572,821.20, 857,190.60 and 498,754.80 is: 746,354.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,821.20 : 857,190.60 = 498,754.80 : x
  2. Step 2: Convert to fraction form
    572,821.20/857,190.60 = 498,754.80/x
  3. Step 3: Cross multiply
    572,821.20x = 857,190.60 × 498,754.80
  4. Step 4: Simplify right side
    572,821.20x = 427,527,926,264.88
  5. Step 5: Solve for x
    x = 427,527,926,264.88/572,821.20
  6. Step 6: Final answer
    x = 746,354.93

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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.