Home / 828,955.20-1,243,432.80-296,493.60

Finding the Fourth Proportional to 828,955.20, 1,243,432.80 and 296,493.60

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Solution

The fourth proportional to 828,955.20, 1,243,432.80 and 296,493.60 is: 444,740.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,955.20 : 1,243,432.80 = 296,493.60 : x
  2. Step 2: Convert to fraction form
    828,955.20/1,243,432.80 = 296,493.60/x
  3. Step 3: Cross multiply
    828,955.20x = 1,243,432.80 × 296,493.60
  4. Step 4: Simplify right side
    828,955.20x = 368,669,867,230.08
  5. Step 5: Solve for x
    x = 368,669,867,230.08/828,955.20
  6. Step 6: Final answer
    x = 444,740.40

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Similar ratio
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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.