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Finding the Fourth Proportional to 666,294.84, 999,456.84 and 267,123.60

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Solution

The fourth proportional to 666,294.84, 999,456.84 and 267,123.60 is: 400,691.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,294.84 : 999,456.84 = 267,123.60 : x
  2. Step 2: Convert to fraction form
    666,294.84/999,456.84 = 267,123.60/x
  3. Step 3: Cross multiply
    666,294.84x = 999,456.84 × 267,123.60
  4. Step 4: Simplify right side
    666,294.84x = 266,978,509,145.42
  5. Step 5: Solve for x
    x = 266,978,509,145.42/666,294.84
  6. Step 6: Final answer
    x = 400,691.25

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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.