Home / 928,972.18-1,393,460.52-255,062.80

Finding the Fourth Proportional to 928,972.18, 1,393,460.52 and 255,062.80

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Solution

The fourth proportional to 928,972.18, 1,393,460.52 and 255,062.80 is: 382,594.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,972.18 : 1,393,460.52 = 255,062.80 : x
  2. Step 2: Convert to fraction form
    928,972.18/1,393,460.52 = 255,062.80/x
  3. Step 3: Cross multiply
    928,972.18x = 1,393,460.52 × 255,062.80
  4. Step 4: Simplify right side
    928,972.18x = 355,419,941,920.66
  5. Step 5: Solve for x
    x = 355,419,941,920.66/928,972.18
  6. Step 6: Final answer
    x = 382,594.82

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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.