Home / 880,439.20-1,320,658.80-249,344.80

Finding the Fourth Proportional to 880,439.20, 1,320,658.80 and 249,344.80

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Solution

The fourth proportional to 880,439.20, 1,320,658.80 and 249,344.80 is: 374,017.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,439.20 : 1,320,658.80 = 249,344.80 : x
  2. Step 2: Convert to fraction form
    880,439.20/1,320,658.80 = 249,344.80/x
  3. Step 3: Cross multiply
    880,439.20x = 1,320,658.80 × 249,344.80
  4. Step 4: Simplify right side
    880,439.20x = 329,299,404,354.24
  5. Step 5: Solve for x
    x = 329,299,404,354.24/880,439.20
  6. Step 6: Final answer
    x = 374,017.20

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Double scale
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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.