Home / 666,900.28-1,000,537.76-267,821.31

Finding the Fourth Proportional to 666,900.28, 1,000,537.76 and 267,821.31

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Solution

The fourth proportional to 666,900.28, 1,000,537.76 and 267,821.31 is: 401,807.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,900.28 : 1,000,537.76 = 267,821.31 : x
  2. Step 2: Convert to fraction form
    666,900.28/1,000,537.76 = 267,821.31/x
  3. Step 3: Cross multiply
    666,900.28x = 1,000,537.76 × 267,821.31
  4. Step 4: Simplify right side
    666,900.28x = 267,965,333,587.67
  5. Step 5: Solve for x
    x = 267,965,333,587.67/666,900.28
  6. Step 6: Final answer
    x = 401,807.20

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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.