Home / 830,517.80-1,244,999.10-650,503.40

Finding the Fourth Proportional to 830,517.80, 1,244,999.10 and 650,503.40

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Solution

The fourth proportional to 830,517.80, 1,244,999.10 and 650,503.40 is: 975,146.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,517.80 : 1,244,999.10 = 650,503.40 : x
  2. Step 2: Convert to fraction form
    830,517.80/1,244,999.10 = 650,503.40/x
  3. Step 3: Cross multiply
    830,517.80x = 1,244,999.10 × 650,503.40
  4. Step 4: Simplify right side
    830,517.80x = 809,876,147,546.94
  5. Step 5: Solve for x
    x = 809,876,147,546.94/830,517.80
  6. Step 6: Final answer
    x = 975,146.04

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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.