Home / 855,825.20-1,284,659.40-482,577.20

Finding the Fourth Proportional to 855,825.20, 1,284,659.40 and 482,577.20

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Solution

The fourth proportional to 855,825.20, 1,284,659.40 and 482,577.20 is: 724,385.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,825.20 : 1,284,659.40 = 482,577.20 : x
  2. Step 2: Convert to fraction form
    855,825.20/1,284,659.40 = 482,577.20/x
  3. Step 3: Cross multiply
    855,825.20x = 1,284,659.40 × 482,577.20
  4. Step 4: Simplify right side
    855,825.20x = 619,947,336,205.68
  5. Step 5: Solve for x
    x = 619,947,336,205.68/855,825.20
  6. Step 6: Final answer
    x = 724,385.47

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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.