Home / 822,974.45-1,233,969.60-424,393.70

Finding the Fourth Proportional to 822,974.45, 1,233,969.60 and 424,393.70

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Solution

The fourth proportional to 822,974.45, 1,233,969.60 and 424,393.70 is: 636,336.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,974.45 : 1,233,969.60 = 424,393.70 : x
  2. Step 2: Convert to fraction form
    822,974.45/1,233,969.60 = 424,393.70/x
  3. Step 3: Cross multiply
    822,974.45x = 1,233,969.60 × 424,393.70
  4. Step 4: Simplify right side
    822,974.45x = 523,688,924,231.52
  5. Step 5: Solve for x
    x = 523,688,924,231.52/822,974.45
  6. Step 6: Final answer
    x = 636,336.80

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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.