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Finding the Fourth Proportional to 601,389.94, 829,919.13 and 329,451.88

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Solution

The fourth proportional to 601,389.94, 829,919.13 and 329,451.88 is: 454,644.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,389.94 : 829,919.13 = 329,451.88 : x
  2. Step 2: Convert to fraction form
    601,389.94/829,919.13 = 329,451.88/x
  3. Step 3: Cross multiply
    601,389.94x = 829,919.13 × 329,451.88
  4. Step 4: Simplify right side
    601,389.94x = 273,418,417,626.46
  5. Step 5: Solve for x
    x = 273,418,417,626.46/601,389.94
  6. Step 6: Final answer
    x = 454,644.15

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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.