Home / 928,983.17-1,393,221.78-254,904.65

Finding the Fourth Proportional to 928,983.17, 1,393,221.78 and 254,904.65

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Solution

The fourth proportional to 928,983.17, 1,393,221.78 and 254,904.65 is: 382,287.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,983.17 : 1,393,221.78 = 254,904.65 : x
  2. Step 2: Convert to fraction form
    928,983.17/1,393,221.78 = 254,904.65/x
  3. Step 3: Cross multiply
    928,983.17x = 1,393,221.78 × 254,904.65
  4. Step 4: Simplify right side
    928,983.17x = 355,138,710,203.28
  5. Step 5: Solve for x
    x = 355,138,710,203.28/928,983.17
  6. Step 6: Final answer
    x = 382,287.56

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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.