Home / 961,402.72-1,441,993.92-251,499.28

Finding the Fourth Proportional to 961,402.72, 1,441,993.92 and 251,499.28

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Solution

The fourth proportional to 961,402.72, 1,441,993.92 and 251,499.28 is: 377,220.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,402.72 : 1,441,993.92 = 251,499.28 : x
  2. Step 2: Convert to fraction form
    961,402.72/1,441,993.92 = 251,499.28/x
  3. Step 3: Cross multiply
    961,402.72x = 1,441,993.92 × 251,499.28
  4. Step 4: Simplify right side
    961,402.72x = 362,660,432,644.38
  5. Step 5: Solve for x
    x = 362,660,432,644.38/961,402.72
  6. Step 6: Final answer
    x = 377,220.10

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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.