Home / 814,367.20-1,220,960.16-547,465.60

Finding the Fourth Proportional to 814,367.20, 1,220,960.16 and 547,465.60

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Solution

The fourth proportional to 814,367.20, 1,220,960.16 and 547,465.60 is: 820,801.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,367.20 : 1,220,960.16 = 547,465.60 : x
  2. Step 2: Convert to fraction form
    814,367.20/1,220,960.16 = 547,465.60/x
  3. Step 3: Cross multiply
    814,367.20x = 1,220,960.16 × 547,465.60
  4. Step 4: Simplify right side
    814,367.20x = 668,433,686,570.50
  5. Step 5: Solve for x
    x = 668,433,686,570.50/814,367.20
  6. Step 6: Final answer
    x = 820,801.34

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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.