Home / 960,288.54-1,440,401.82-286,375.44

Finding the Fourth Proportional to 960,288.54, 1,440,401.82 and 286,375.44

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Solution

The fourth proportional to 960,288.54, 1,440,401.82 and 286,375.44 is: 429,553.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,288.54 : 1,440,401.82 = 286,375.44 : x
  2. Step 2: Convert to fraction form
    960,288.54/1,440,401.82 = 286,375.44/x
  3. Step 3: Cross multiply
    960,288.54x = 1,440,401.82 × 286,375.44
  4. Step 4: Simplify right side
    960,288.54x = 412,495,704,979.30
  5. Step 5: Solve for x
    x = 412,495,704,979.30/960,288.54
  6. Step 6: Final answer
    x = 429,553.92

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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.