Home / 928,990.59-1,393,483.29-255,072.61

Finding the Fourth Proportional to 928,990.59, 1,393,483.29 and 255,072.61

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Solution

The fourth proportional to 928,990.59, 1,393,483.29 and 255,072.61 is: 382,608.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,990.59 : 1,393,483.29 = 255,072.61 : x
  2. Step 2: Convert to fraction form
    928,990.59/1,393,483.29 = 255,072.61/x
  3. Step 3: Cross multiply
    928,990.59x = 1,393,483.29 × 255,072.61
  4. Step 4: Simplify right side
    928,990.59x = 355,439,420,557.02
  5. Step 5: Solve for x
    x = 355,439,420,557.02/928,990.59
  6. Step 6: Final answer
    x = 382,608.20

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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.