Home / 703,921.80-1,053,809.10-662,910.60

Finding the Fourth Proportional to 703,921.80, 1,053,809.10 and 662,910.60

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Solution

The fourth proportional to 703,921.80, 1,053,809.10 and 662,910.60 is: 992,413.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,921.80 : 1,053,809.10 = 662,910.60 : x
  2. Step 2: Convert to fraction form
    703,921.80/1,053,809.10 = 662,910.60/x
  3. Step 3: Cross multiply
    703,921.80x = 1,053,809.10 × 662,910.60
  4. Step 4: Simplify right side
    703,921.80x = 698,581,222,766.46
  5. Step 5: Solve for x
    x = 698,581,222,766.46/703,921.80
  6. Step 6: Final answer
    x = 992,413.11

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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.