Home / 329,329.43-454,223.85-283,467.13

Finding the Fourth Proportional to 329,329.43, 454,223.85 and 283,467.13

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Solution

The fourth proportional to 329,329.43, 454,223.85 and 283,467.13 is: 390,968.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,329.43 : 454,223.85 = 283,467.13 : x
  2. Step 2: Convert to fraction form
    329,329.43/454,223.85 = 283,467.13/x
  3. Step 3: Cross multiply
    329,329.43x = 454,223.85 × 283,467.13
  4. Step 4: Simplify right side
    329,329.43x = 128,757,531,632.27
  5. Step 5: Solve for x
    x = 128,757,531,632.27/329,329.43
  6. Step 6: Final answer
    x = 390,968.80

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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.