Home / 781,549.64-1,171,469.24-402,493.32

Finding the Fourth Proportional to 781,549.64, 1,171,469.24 and 402,493.32

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Solution

The fourth proportional to 781,549.64, 1,171,469.24 and 402,493.32 is: 603,299.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,549.64 : 1,171,469.24 = 402,493.32 : x
  2. Step 2: Convert to fraction form
    781,549.64/1,171,469.24 = 402,493.32/x
  3. Step 3: Cross multiply
    781,549.64x = 1,171,469.24 × 402,493.32
  4. Step 4: Simplify right side
    781,549.64x = 471,508,543,685.48
  5. Step 5: Solve for x
    x = 471,508,543,685.48/781,549.64
  6. Step 6: Final answer
    x = 603,299.55

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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.