Home / 722,470.02-1,084,404.90-348,755.46

Finding the Fourth Proportional to 722,470.02, 1,084,404.90 and 348,755.46

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Solution

The fourth proportional to 722,470.02, 1,084,404.90 and 348,755.46 is: 523,471.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,470.02 : 1,084,404.90 = 348,755.46 : x
  2. Step 2: Convert to fraction form
    722,470.02/1,084,404.90 = 348,755.46/x
  3. Step 3: Cross multiply
    722,470.02x = 1,084,404.90 × 348,755.46
  4. Step 4: Simplify right side
    722,470.02x = 378,192,129,725.75
  5. Step 5: Solve for x
    x = 378,192,129,725.75/722,470.02
  6. Step 6: Final answer
    x = 523,471.04

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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.