Home / 551,311.20-826,966.80-270,770.40

Finding the Fourth Proportional to 551,311.20, 826,966.80 and 270,770.40

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Solution

The fourth proportional to 551,311.20, 826,966.80 and 270,770.40 is: 406,155.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,311.20 : 826,966.80 = 270,770.40 : x
  2. Step 2: Convert to fraction form
    551,311.20/826,966.80 = 270,770.40/x
  3. Step 3: Cross multiply
    551,311.20x = 826,966.80 × 270,770.40
  4. Step 4: Simplify right side
    551,311.20x = 223,918,131,222.72
  5. Step 5: Solve for x
    x = 223,918,131,222.72/551,311.20
  6. Step 6: Final answer
    x = 406,155.60

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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.