Home / 953,251.74-1,429,876.41-243,279.78

Finding the Fourth Proportional to 953,251.74, 1,429,876.41 and 243,279.78

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Solution

The fourth proportional to 953,251.74, 1,429,876.41 and 243,279.78 is: 364,919.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,251.74 : 1,429,876.41 = 243,279.78 : x
  2. Step 2: Convert to fraction form
    953,251.74/1,429,876.41 = 243,279.78/x
  3. Step 3: Cross multiply
    953,251.74x = 1,429,876.41 × 243,279.78
  4. Step 4: Simplify right side
    953,251.74x = 347,860,018,451.99
  5. Step 5: Solve for x
    x = 347,860,018,451.99/953,251.74
  6. Step 6: Final answer
    x = 364,919.36

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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.