Home / 674,979.20-1,012,479.60-176,343.20

Finding the Fourth Proportional to 674,979.20, 1,012,479.60 and 176,343.20

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Solution

The fourth proportional to 674,979.20, 1,012,479.60 and 176,343.20 is: 264,517.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,979.20 : 1,012,479.60 = 176,343.20 : x
  2. Step 2: Convert to fraction form
    674,979.20/1,012,479.60 = 176,343.20/x
  3. Step 3: Cross multiply
    674,979.20x = 1,012,479.60 × 176,343.20
  4. Step 4: Simplify right side
    674,979.20x = 178,543,892,598.72
  5. Step 5: Solve for x
    x = 178,543,892,598.72/674,979.20
  6. Step 6: Final answer
    x = 264,517.62

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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.