Home / 667,572.48-1,001,123.01-288,477.90

Finding the Fourth Proportional to 667,572.48, 1,001,123.01 and 288,477.90

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Solution

The fourth proportional to 667,572.48, 1,001,123.01 and 288,477.90 is: 432,614.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,572.48 : 1,001,123.01 = 288,477.90 : x
  2. Step 2: Convert to fraction form
    667,572.48/1,001,123.01 = 288,477.90/x
  3. Step 3: Cross multiply
    667,572.48x = 1,001,123.01 × 288,477.90
  4. Step 4: Simplify right side
    667,572.48x = 288,801,863,566.48
  5. Step 5: Solve for x
    x = 288,801,863,566.48/667,572.48
  6. Step 6: Final answer
    x = 432,614.99

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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.