Home / 993,744.80-1,490,617.20-520,575.20

Finding the Fourth Proportional to 993,744.80, 1,490,617.20 and 520,575.20

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Solution

The fourth proportional to 993,744.80, 1,490,617.20 and 520,575.20 is: 780,862.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,744.80 : 1,490,617.20 = 520,575.20 : x
  2. Step 2: Convert to fraction form
    993,744.80/1,490,617.20 = 520,575.20/x
  3. Step 3: Cross multiply
    993,744.80x = 1,490,617.20 × 520,575.20
  4. Step 4: Simplify right side
    993,744.80x = 775,978,347,013.44
  5. Step 5: Solve for x
    x = 775,978,347,013.44/993,744.80
  6. Step 6: Final answer
    x = 780,862.80

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Similar ratio
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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.