Home / 722,941.20-1,084,217.40-217,501.20

Finding the Fourth Proportional to 722,941.20, 1,084,217.40 and 217,501.20

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Solution

The fourth proportional to 722,941.20, 1,084,217.40 and 217,501.20 is: 326,193.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,941.20 : 1,084,217.40 = 217,501.20 : x
  2. Step 2: Convert to fraction form
    722,941.20/1,084,217.40 = 217,501.20/x
  3. Step 3: Cross multiply
    722,941.20x = 1,084,217.40 × 217,501.20
  4. Step 4: Simplify right side
    722,941.20x = 235,818,585,560.88
  5. Step 5: Solve for x
    x = 235,818,585,560.88/722,941.20
  6. Step 6: Final answer
    x = 326,193.31

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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.