Home / 703,997.60-1,054,562.80-436,938.40

Finding the Fourth Proportional to 703,997.60, 1,054,562.80 and 436,938.40

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Solution

The fourth proportional to 703,997.60, 1,054,562.80 and 436,938.40 is: 654,517.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,997.60 : 1,054,562.80 = 436,938.40 : x
  2. Step 2: Convert to fraction form
    703,997.60/1,054,562.80 = 436,938.40/x
  3. Step 3: Cross multiply
    703,997.60x = 1,054,562.80 × 436,938.40
  4. Step 4: Simplify right side
    703,997.60x = 460,778,982,531.52
  5. Step 5: Solve for x
    x = 460,778,982,531.52/703,997.60
  6. Step 6: Final answer
    x = 654,517.83

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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.