Home / 549,008.20-823,512.30-283,287.70

Finding the Fourth Proportional to 549,008.20, 823,512.30 and 283,287.70

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Solution

The fourth proportional to 549,008.20, 823,512.30 and 283,287.70 is: 424,931.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,008.20 : 823,512.30 = 283,287.70 : x
  2. Step 2: Convert to fraction form
    549,008.20/823,512.30 = 283,287.70/x
  3. Step 3: Cross multiply
    549,008.20x = 823,512.30 × 283,287.70
  4. Step 4: Simplify right side
    549,008.20x = 233,290,905,388.71
  5. Step 5: Solve for x
    x = 233,290,905,388.71/549,008.20
  6. Step 6: Final answer
    x = 424,931.55

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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.