Home / 721,968.60-1,082,952.90-367,674.60

Finding the Fourth Proportional to 721,968.60, 1,082,952.90 and 367,674.60

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Solution

The fourth proportional to 721,968.60, 1,082,952.90 and 367,674.60 is: 551,511.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,968.60 : 1,082,952.90 = 367,674.60 : x
  2. Step 2: Convert to fraction form
    721,968.60/1,082,952.90 = 367,674.60/x
  3. Step 3: Cross multiply
    721,968.60x = 1,082,952.90 × 367,674.60
  4. Step 4: Simplify right side
    721,968.60x = 398,174,274,326.34
  5. Step 5: Solve for x
    x = 398,174,274,326.34/721,968.60
  6. Step 6: Final answer
    x = 551,511.90

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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.