Home / 382,499.20-573,748.80-344,445.40

Finding the Fourth Proportional to 382,499.20, 573,748.80 and 344,445.40

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Solution

The fourth proportional to 382,499.20, 573,748.80 and 344,445.40 is: 516,668.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,499.20 : 573,748.80 = 344,445.40 : x
  2. Step 2: Convert to fraction form
    382,499.20/573,748.80 = 344,445.40/x
  3. Step 3: Cross multiply
    382,499.20x = 573,748.80 × 344,445.40
  4. Step 4: Simplify right side
    382,499.20x = 197,625,134,915.52
  5. Step 5: Solve for x
    x = 197,625,134,915.52/382,499.20
  6. Step 6: Final answer
    x = 516,668.10

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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.