Home / 887,172.20-1,330,758.30-414,780.20

Finding the Fourth Proportional to 887,172.20, 1,330,758.30 and 414,780.20

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Solution

The fourth proportional to 887,172.20, 1,330,758.30 and 414,780.20 is: 622,170.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,172.20 : 1,330,758.30 = 414,780.20 : x
  2. Step 2: Convert to fraction form
    887,172.20/1,330,758.30 = 414,780.20/x
  3. Step 3: Cross multiply
    887,172.20x = 1,330,758.30 × 414,780.20
  4. Step 4: Simplify right side
    887,172.20x = 551,972,193,825.66
  5. Step 5: Solve for x
    x = 551,972,193,825.66/887,172.20
  6. Step 6: Final answer
    x = 622,170.30

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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.