Home / 475,867.78-656,471.18-284,844.26

Finding the Fourth Proportional to 475,867.78, 656,471.18 and 284,844.26

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Solution

The fourth proportional to 475,867.78, 656,471.18 and 284,844.26 is: 392,949.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,867.78 : 656,471.18 = 284,844.26 : x
  2. Step 2: Convert to fraction form
    475,867.78/656,471.18 = 284,844.26/x
  3. Step 3: Cross multiply
    475,867.78x = 656,471.18 × 284,844.26
  4. Step 4: Simplify right side
    475,867.78x = 186,992,047,478.43
  5. Step 5: Solve for x
    x = 186,992,047,478.43/475,867.78
  6. Step 6: Final answer
    x = 392,949.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.