Home / 449,037.20-619,680.36-247,832.72

Finding the Fourth Proportional to 449,037.20, 619,680.36 and 247,832.72

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Solution

The fourth proportional to 449,037.20, 619,680.36 and 247,832.72 is: 342,014.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,037.20 : 619,680.36 = 247,832.72 : x
  2. Step 2: Convert to fraction form
    449,037.20/619,680.36 = 247,832.72/x
  3. Step 3: Cross multiply
    449,037.20x = 619,680.36 × 247,832.72
  4. Step 4: Simplify right side
    449,037.20x = 153,577,069,149.38
  5. Step 5: Solve for x
    x = 153,577,069,149.38/449,037.20
  6. Step 6: Final answer
    x = 342,014.13

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1.5x scale

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.