Home / 808,535.20-1,211,467.92-492,034.72

Finding the Fourth Proportional to 808,535.20, 1,211,467.92 and 492,034.72

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Solution

The fourth proportional to 808,535.20, 1,211,467.92 and 492,034.72 is: 737,239.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,535.20 : 1,211,467.92 = 492,034.72 : x
  2. Step 2: Convert to fraction form
    808,535.20/1,211,467.92 = 492,034.72/x
  3. Step 3: Cross multiply
    808,535.20x = 1,211,467.92 × 492,034.72
  4. Step 4: Simplify right side
    808,535.20x = 596,084,278,806.18
  5. Step 5: Solve for x
    x = 596,084,278,806.18/808,535.20
  6. Step 6: Final answer
    x = 737,239.74

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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.