Home / 994,401.60-1,491,602.40-284,452.80

Finding the Fourth Proportional to 994,401.60, 1,491,602.40 and 284,452.80

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Solution

The fourth proportional to 994,401.60, 1,491,602.40 and 284,452.80 is: 426,679.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,401.60 : 1,491,602.40 = 284,452.80 : x
  2. Step 2: Convert to fraction form
    994,401.60/1,491,602.40 = 284,452.80/x
  3. Step 3: Cross multiply
    994,401.60x = 1,491,602.40 × 284,452.80
  4. Step 4: Simplify right side
    994,401.60x = 424,290,479,166.72
  5. Step 5: Solve for x
    x = 424,290,479,166.72/994,401.60
  6. Step 6: Final answer
    x = 426,679.20

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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.