Home / 914,658.80-1,371,988.20-283,636.40

Finding the Fourth Proportional to 914,658.80, 1,371,988.20 and 283,636.40

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Solution

The fourth proportional to 914,658.80, 1,371,988.20 and 283,636.40 is: 425,454.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,658.80 : 1,371,988.20 = 283,636.40 : x
  2. Step 2: Convert to fraction form
    914,658.80/1,371,988.20 = 283,636.40/x
  3. Step 3: Cross multiply
    914,658.80x = 1,371,988.20 × 283,636.40
  4. Step 4: Simplify right side
    914,658.80x = 389,145,793,890.48
  5. Step 5: Solve for x
    x = 389,145,793,890.48/914,658.80
  6. Step 6: Final answer
    x = 425,454.60

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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.