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Finding the Fourth Proportional to 629,578.82, 944,647.07 and 329,988.17

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Solution

The fourth proportional to 629,578.82, 944,647.07 and 329,988.17 is: 495,128.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,578.82 : 944,647.07 = 329,988.17 : x
  2. Step 2: Convert to fraction form
    629,578.82/944,647.07 = 329,988.17/x
  3. Step 3: Cross multiply
    629,578.82x = 944,647.07 × 329,988.17
  4. Step 4: Simplify right side
    629,578.82x = 311,722,357,925.16
  5. Step 5: Solve for x
    x = 311,722,357,925.16/629,578.82
  6. Step 6: Final answer
    x = 495,128.41

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1.5x scale

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.