Home / 798,121.60-1,198,564.80-424,873.60

Finding the Fourth Proportional to 798,121.60, 1,198,564.80 and 424,873.60

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Solution

The fourth proportional to 798,121.60, 1,198,564.80 and 424,873.60 is: 638,046.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,121.60 : 1,198,564.80 = 424,873.60 : x
  2. Step 2: Convert to fraction form
    798,121.60/1,198,564.80 = 424,873.60/x
  3. Step 3: Cross multiply
    798,121.60x = 1,198,564.80 × 424,873.60
  4. Step 4: Simplify right side
    798,121.60x = 509,238,541,409.28
  5. Step 5: Solve for x
    x = 509,238,541,409.28/798,121.60
  6. Step 6: Final answer
    x = 638,046.31

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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.