Home / 544,007.20-815,816.40-189,032.80

Finding the Fourth Proportional to 544,007.20, 815,816.40 and 189,032.80

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Solution

The fourth proportional to 544,007.20, 815,816.40 and 189,032.80 is: 283,481.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,007.20 : 815,816.40 = 189,032.80 : x
  2. Step 2: Convert to fraction form
    544,007.20/815,816.40 = 189,032.80/x
  3. Step 3: Cross multiply
    544,007.20x = 815,816.40 × 189,032.80
  4. Step 4: Simplify right side
    544,007.20x = 154,216,058,377.92
  5. Step 5: Solve for x
    x = 154,216,058,377.92/544,007.20
  6. Step 6: Final answer
    x = 283,481.65

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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.