Home / 721,966.60-1,082,949.90-367,672.60

Finding the Fourth Proportional to 721,966.60, 1,082,949.90 and 367,672.60

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Solution

The fourth proportional to 721,966.60, 1,082,949.90 and 367,672.60 is: 551,508.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,966.60 : 1,082,949.90 = 367,672.60 : x
  2. Step 2: Convert to fraction form
    721,966.60/1,082,949.90 = 367,672.60/x
  3. Step 3: Cross multiply
    721,966.60x = 1,082,949.90 × 367,672.60
  4. Step 4: Simplify right side
    721,966.60x = 398,171,005,402.74
  5. Step 5: Solve for x
    x = 398,171,005,402.74/721,966.60
  6. Step 6: Final answer
    x = 551,508.90

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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.