Home / 824,141.60-1,236,351.96-284,251.28

Finding the Fourth Proportional to 824,141.60, 1,236,351.96 and 284,251.28

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Solution

The fourth proportional to 824,141.60, 1,236,351.96 and 284,251.28 is: 426,425.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,141.60 : 1,236,351.96 = 284,251.28 : x
  2. Step 2: Convert to fraction form
    824,141.60/1,236,351.96 = 284,251.28/x
  3. Step 3: Cross multiply
    824,141.60x = 1,236,351.96 × 284,251.28
  4. Step 4: Simplify right side
    824,141.60x = 351,434,627,160.51
  5. Step 5: Solve for x
    x = 351,434,627,160.51/824,141.60
  6. Step 6: Final answer
    x = 426,425.06

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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.