Home / 880,378.66-1,321,067.76-374,886.92

Finding the Fourth Proportional to 880,378.66, 1,321,067.76 and 374,886.92

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Solution

The fourth proportional to 880,378.66, 1,321,067.76 and 374,886.92 is: 562,543.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,378.66 : 1,321,067.76 = 374,886.92 : x
  2. Step 2: Convert to fraction form
    880,378.66/1,321,067.76 = 374,886.92/x
  3. Step 3: Cross multiply
    880,378.66x = 1,321,067.76 × 374,886.92
  4. Step 4: Simplify right side
    880,378.66x = 495,251,025,554.54
  5. Step 5: Solve for x
    x = 495,251,025,554.54/880,378.66
  6. Step 6: Final answer
    x = 562,543.20

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1.5x scale

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.