Home / 803,951.20-1,206,704.40-489,023.20

Finding the Fourth Proportional to 803,951.20, 1,206,704.40 and 489,023.20

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Solution

The fourth proportional to 803,951.20, 1,206,704.40 and 489,023.20 is: 734,007.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,951.20 : 1,206,704.40 = 489,023.20 : x
  2. Step 2: Convert to fraction form
    803,951.20/1,206,704.40 = 489,023.20/x
  3. Step 3: Cross multiply
    803,951.20x = 1,206,704.40 × 489,023.20
  4. Step 4: Simplify right side
    803,951.20x = 590,106,447,142.08
  5. Step 5: Solve for x
    x = 590,106,447,142.08/803,951.20
  6. Step 6: Final answer
    x = 734,007.79

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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.