Home / 439,548.10-659,322.15-408,055.30

Finding the Fourth Proportional to 439,548.10, 659,322.15 and 408,055.30

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Solution

The fourth proportional to 439,548.10, 659,322.15 and 408,055.30 is: 612,082.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,548.10 : 659,322.15 = 408,055.30 : x
  2. Step 2: Convert to fraction form
    439,548.10/659,322.15 = 408,055.30/x
  3. Step 3: Cross multiply
    439,548.10x = 659,322.15 × 408,055.30
  4. Step 4: Simplify right side
    439,548.10x = 269,039,897,714.90
  5. Step 5: Solve for x
    x = 269,039,897,714.90/439,548.10
  6. Step 6: Final answer
    x = 612,082.95

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Similar ratio
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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.