Home / 549,007.20-823,510.80-283,286.70

Finding the Fourth Proportional to 549,007.20, 823,510.80 and 283,286.70

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Solution

The fourth proportional to 549,007.20, 823,510.80 and 283,286.70 is: 424,930.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,007.20 : 823,510.80 = 283,286.70 : x
  2. Step 2: Convert to fraction form
    549,007.20/823,510.80 = 283,286.70/x
  3. Step 3: Cross multiply
    549,007.20x = 823,510.80 × 283,286.70
  4. Step 4: Simplify right side
    549,007.20x = 233,289,656,946.36
  5. Step 5: Solve for x
    x = 233,289,656,946.36/549,007.20
  6. Step 6: Final answer
    x = 424,930.05

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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.