Home / 672,561.60-1,008,842.40-251,815.20

Finding the Fourth Proportional to 672,561.60, 1,008,842.40 and 251,815.20

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Solution

The fourth proportional to 672,561.60, 1,008,842.40 and 251,815.20 is: 377,722.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,561.60 : 1,008,842.40 = 251,815.20 : x
  2. Step 2: Convert to fraction form
    672,561.60/1,008,842.40 = 251,815.20/x
  3. Step 3: Cross multiply
    672,561.60x = 1,008,842.40 × 251,815.20
  4. Step 4: Simplify right side
    672,561.60x = 254,041,850,724.48
  5. Step 5: Solve for x
    x = 254,041,850,724.48/672,561.60
  6. Step 6: Final answer
    x = 377,722.80

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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.