Home / 830,078.80-1,245,118.20-725,102.80

Finding the Fourth Proportional to 830,078.80, 1,245,118.20 and 725,102.80

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Solution

The fourth proportional to 830,078.80, 1,245,118.20 and 725,102.80 is: 1,087,654.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,078.80 : 1,245,118.20 = 725,102.80 : x
  2. Step 2: Convert to fraction form
    830,078.80/1,245,118.20 = 725,102.80/x
  3. Step 3: Cross multiply
    830,078.80x = 1,245,118.20 × 725,102.80
  4. Step 4: Simplify right side
    830,078.80x = 902,838,693,150.96
  5. Step 5: Solve for x
    x = 902,838,693,150.96/830,078.80
  6. Step 6: Final answer
    x = 1,087,654.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.