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Finding the Fourth Proportional to 944,888.72, 1,418,007 and 524,500.88

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Solution

The fourth proportional to 944,888.72, 1,418,007 and 524,500.88 is: 787,125.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,888.72 : 1,418,007 = 524,500.88 : x
  2. Step 2: Convert to fraction form
    944,888.72/1,418,007 = 524,500.88/x
  3. Step 3: Cross multiply
    944,888.72x = 1,418,007 × 524,500.88
  4. Step 4: Simplify right side
    944,888.72x = 743,745,919,346.16
  5. Step 5: Solve for x
    x = 743,745,919,346.16/944,888.72
  6. Step 6: Final answer
    x = 787,125.41

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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.