Home / 439,723.80-659,585.70-349,522.20

Finding the Fourth Proportional to 439,723.80, 659,585.70 and 349,522.20

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Solution

The fourth proportional to 439,723.80, 659,585.70 and 349,522.20 is: 524,283.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,723.80 : 659,585.70 = 349,522.20 : x
  2. Step 2: Convert to fraction form
    439,723.80/659,585.70 = 349,522.20/x
  3. Step 3: Cross multiply
    439,723.80x = 659,585.70 × 349,522.20
  4. Step 4: Simplify right side
    439,723.80x = 230,539,844,952.54
  5. Step 5: Solve for x
    x = 230,539,844,952.54/439,723.80
  6. Step 6: Final answer
    x = 524,283.30

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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.