Home / 722,947.20-1,084,420.80-224,311.20

Finding the Fourth Proportional to 722,947.20, 1,084,420.80 and 224,311.20

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Solution

The fourth proportional to 722,947.20, 1,084,420.80 and 224,311.20 is: 336,466.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,947.20 : 1,084,420.80 = 224,311.20 : x
  2. Step 2: Convert to fraction form
    722,947.20/1,084,420.80 = 224,311.20/x
  3. Step 3: Cross multiply
    722,947.20x = 1,084,420.80 × 224,311.20
  4. Step 4: Simplify right side
    722,947.20x = 243,247,730,952.96
  5. Step 5: Solve for x
    x = 243,247,730,952.96/722,947.20
  6. Step 6: Final answer
    x = 336,466.80

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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.