Home / 329,839.88-454,976.52-291,476.30

Finding the Fourth Proportional to 329,839.88, 454,976.52 and 291,476.30

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Solution

The fourth proportional to 329,839.88, 454,976.52 and 291,476.30 is: 402,058.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,839.88 : 454,976.52 = 291,476.30 : x
  2. Step 2: Convert to fraction form
    329,839.88/454,976.52 = 291,476.30/x
  3. Step 3: Cross multiply
    329,839.88x = 454,976.52 × 291,476.30
  4. Step 4: Simplify right side
    329,839.88x = 132,614,872,636.48
  5. Step 5: Solve for x
    x = 132,614,872,636.48/329,839.88
  6. Step 6: Final answer
    x = 402,058.33

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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.