Home / 439,428.20-659,142.30-334,452.20

Finding the Fourth Proportional to 439,428.20, 659,142.30 and 334,452.20

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Solution

The fourth proportional to 439,428.20, 659,142.30 and 334,452.20 is: 501,678.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,428.20 : 659,142.30 = 334,452.20 : x
  2. Step 2: Convert to fraction form
    439,428.20/659,142.30 = 334,452.20/x
  3. Step 3: Cross multiply
    439,428.20x = 659,142.30 × 334,452.20
  4. Step 4: Simplify right side
    439,428.20x = 220,451,592,348.06
  5. Step 5: Solve for x
    x = 220,451,592,348.06/439,428.20
  6. Step 6: Final answer
    x = 501,678.30

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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.