Home / 439,748.70-659,623.05-415,254.30

Finding the Fourth Proportional to 439,748.70, 659,623.05 and 415,254.30

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Solution

The fourth proportional to 439,748.70, 659,623.05 and 415,254.30 is: 622,881.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,748.70 : 659,623.05 = 415,254.30 : x
  2. Step 2: Convert to fraction form
    439,748.70/659,623.05 = 415,254.30/x
  3. Step 3: Cross multiply
    439,748.70x = 659,623.05 × 415,254.30
  4. Step 4: Simplify right side
    439,748.70x = 273,911,307,891.62
  5. Step 5: Solve for x
    x = 273,911,307,891.62/439,748.70
  6. Step 6: Final answer
    x = 622,881.45

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Similar ratio
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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.