Home / 684,830.20-1,028,474.10-498,052.60

Finding the Fourth Proportional to 684,830.20, 1,028,474.10 and 498,052.60

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Solution

The fourth proportional to 684,830.20, 1,028,474.10 and 498,052.60 is: 747,972.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,830.20 : 1,028,474.10 = 498,052.60 : x
  2. Step 2: Convert to fraction form
    684,830.20/1,028,474.10 = 498,052.60/x
  3. Step 3: Cross multiply
    684,830.20x = 1,028,474.10 × 498,052.60
  4. Step 4: Simplify right side
    684,830.20x = 512,234,199,537.66
  5. Step 5: Solve for x
    x = 512,234,199,537.66/684,830.20
  6. Step 6: Final answer
    x = 747,972.56

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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.