Home / 345,983.46-477,032.97-284,514.84

Finding the Fourth Proportional to 345,983.46, 477,032.97 and 284,514.84

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Solution

The fourth proportional to 345,983.46, 477,032.97 and 284,514.84 is: 392,281.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,983.46 : 477,032.97 = 284,514.84 : x
  2. Step 2: Convert to fraction form
    345,983.46/477,032.97 = 284,514.84/x
  3. Step 3: Cross multiply
    345,983.46x = 477,032.97 × 284,514.84
  4. Step 4: Simplify right side
    345,983.46x = 135,722,955,326.54
  5. Step 5: Solve for x
    x = 135,722,955,326.54/345,983.46
  6. Step 6: Final answer
    x = 392,281.63

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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.