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Finding the Fourth Proportional to 563,585.40, 846,128.70 and 327,097.80

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Solution

The fourth proportional to 563,585.40, 846,128.70 and 327,097.80 is: 491,082.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,585.40 : 846,128.70 = 327,097.80 : x
  2. Step 2: Convert to fraction form
    563,585.40/846,128.70 = 327,097.80/x
  3. Step 3: Cross multiply
    563,585.40x = 846,128.70 × 327,097.80
  4. Step 4: Simplify right side
    563,585.40x = 276,766,836,286.86
  5. Step 5: Solve for x
    x = 276,766,836,286.86/563,585.40
  6. Step 6: Final answer
    x = 491,082.34

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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.