Home / 822,930.60-1,231,990.20-586,734.60

Finding the Fourth Proportional to 822,930.60, 1,231,990.20 and 586,734.60

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Solution

The fourth proportional to 822,930.60, 1,231,990.20 and 586,734.60 is: 878,386.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,930.60 : 1,231,990.20 = 586,734.60 : x
  2. Step 2: Convert to fraction form
    822,930.60/1,231,990.20 = 586,734.60/x
  3. Step 3: Cross multiply
    822,930.60x = 1,231,990.20 × 586,734.60
  4. Step 4: Simplify right side
    822,930.60x = 722,851,277,200.92
  5. Step 5: Solve for x
    x = 722,851,277,200.92/822,930.60
  6. Step 6: Final answer
    x = 878,386.68

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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.