Home / 644,815.64-966,306.87-475,000.56

Finding the Fourth Proportional to 644,815.64, 966,306.87 and 475,000.56

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Solution

The fourth proportional to 644,815.64, 966,306.87 and 475,000.56 is: 711,825.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,815.64 : 966,306.87 = 475,000.56 : x
  2. Step 2: Convert to fraction form
    644,815.64/966,306.87 = 475,000.56/x
  3. Step 3: Cross multiply
    644,815.64x = 966,306.87 × 475,000.56
  4. Step 4: Simplify right side
    644,815.64x = 458,996,304,381.85
  5. Step 5: Solve for x
    x = 458,996,304,381.85/644,815.64
  6. Step 6: Final answer
    x = 711,825.64

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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.