Home / 998,941.20-1,498,930.20-438,032.40

Finding the Fourth Proportional to 998,941.20, 1,498,930.20 and 438,032.40

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Solution

The fourth proportional to 998,941.20, 1,498,930.20 and 438,032.40 is: 657,275.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,941.20 : 1,498,930.20 = 438,032.40 : x
  2. Step 2: Convert to fraction form
    998,941.20/1,498,930.20 = 438,032.40/x
  3. Step 3: Cross multiply
    998,941.20x = 1,498,930.20 × 438,032.40
  4. Step 4: Simplify right side
    998,941.20x = 656,579,992,938.48
  5. Step 5: Solve for x
    x = 656,579,992,938.48/998,941.20
  6. Step 6: Final answer
    x = 657,275.92

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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.