Home / 532,719.78-735,141.20-291,003.42

Finding the Fourth Proportional to 532,719.78, 735,141.20 and 291,003.42

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Solution

The fourth proportional to 532,719.78, 735,141.20 and 291,003.42 is: 401,578.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,719.78 : 735,141.20 = 291,003.42 : x
  2. Step 2: Convert to fraction form
    532,719.78/735,141.20 = 291,003.42/x
  3. Step 3: Cross multiply
    532,719.78x = 735,141.20 × 291,003.42
  4. Step 4: Simplify right side
    532,719.78x = 213,928,603,382.90
  5. Step 5: Solve for x
    x = 213,928,603,382.90/532,719.78
  6. Step 6: Final answer
    x = 401,578.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.