Home / 741,467.72-1,111,229.28-421,766.60

Finding the Fourth Proportional to 741,467.72, 1,111,229.28 and 421,766.60

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Solution

The fourth proportional to 741,467.72, 1,111,229.28 and 421,766.60 is: 632,096.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,467.72 : 1,111,229.28 = 421,766.60 : x
  2. Step 2: Convert to fraction form
    741,467.72/1,111,229.28 = 421,766.60/x
  3. Step 3: Cross multiply
    741,467.72x = 1,111,229.28 × 421,766.60
  4. Step 4: Simplify right side
    741,467.72x = 468,679,389,689.90
  5. Step 5: Solve for x
    x = 468,679,389,689.90/741,467.72
  6. Step 6: Final answer
    x = 632,096.82

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1.5x scale

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.