Home / 722,951.20-1,084,232.40-217,511.20

Finding the Fourth Proportional to 722,951.20, 1,084,232.40 and 217,511.20

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Solution

The fourth proportional to 722,951.20, 1,084,232.40 and 217,511.20 is: 326,208.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,951.20 : 1,084,232.40 = 217,511.20 : x
  2. Step 2: Convert to fraction form
    722,951.20/1,084,232.40 = 217,511.20/x
  3. Step 3: Cross multiply
    722,951.20x = 1,084,232.40 × 217,511.20
  4. Step 4: Simplify right side
    722,951.20x = 235,832,690,402.88
  5. Step 5: Solve for x
    x = 235,832,690,402.88/722,951.20
  6. Step 6: Final answer
    x = 326,208.31

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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.