Home / 748,273.20-1,032,600.24-408,742.80

Finding the Fourth Proportional to 748,273.20, 1,032,600.24 and 408,742.80

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Solution

The fourth proportional to 748,273.20, 1,032,600.24 and 408,742.80 is: 564,055.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,273.20 : 1,032,600.24 = 408,742.80 : x
  2. Step 2: Convert to fraction form
    748,273.20/1,032,600.24 = 408,742.80/x
  3. Step 3: Cross multiply
    748,273.20x = 1,032,600.24 × 408,742.80
  4. Step 4: Simplify right side
    748,273.20x = 422,067,913,378.27
  5. Step 5: Solve for x
    x = 422,067,913,378.27/748,273.20
  6. Step 6: Final answer
    x = 564,055.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.