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Finding the Fourth Proportional to 576,899.20, 865,348.80 and 202,873.60

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Solution

The fourth proportional to 576,899.20, 865,348.80 and 202,873.60 is: 304,310.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,899.20 : 865,348.80 = 202,873.60 : x
  2. Step 2: Convert to fraction form
    576,899.20/865,348.80 = 202,873.60/x
  3. Step 3: Cross multiply
    576,899.20x = 865,348.80 × 202,873.60
  4. Step 4: Simplify right side
    576,899.20x = 175,556,426,311.68
  5. Step 5: Solve for x
    x = 175,556,426,311.68/576,899.20
  6. Step 6: Final answer
    x = 304,310.40

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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.