Home / 389,882.64-584,844.60-123,622.68

Finding the Fourth Proportional to 389,882.64, 584,844.60 and 123,622.68

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Solution

The fourth proportional to 389,882.64, 584,844.60 and 123,622.68 is: 185,440.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,882.64 : 584,844.60 = 123,622.68 : x
  2. Step 2: Convert to fraction form
    389,882.64/584,844.60 = 123,622.68/x
  3. Step 3: Cross multiply
    389,882.64x = 584,844.60 × 123,622.68
  4. Step 4: Simplify right side
    389,882.64x = 72,300,056,835.53
  5. Step 5: Solve for x
    x = 72,300,056,835.53/389,882.64
  6. Step 6: Final answer
    x = 185,440.56

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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.