Home / 427,306.88-589,528.32-329,222.40

Finding the Fourth Proportional to 427,306.88, 589,528.32 and 329,222.40

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Solution

The fourth proportional to 427,306.88, 589,528.32 and 329,222.40 is: 454,207.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,306.88 : 589,528.32 = 329,222.40 : x
  2. Step 2: Convert to fraction form
    427,306.88/589,528.32 = 329,222.40/x
  3. Step 3: Cross multiply
    427,306.88x = 589,528.32 × 329,222.40
  4. Step 4: Simplify right side
    427,306.88x = 194,085,928,378.37
  5. Step 5: Solve for x
    x = 194,085,928,378.37/427,306.88
  6. Step 6: Final answer
    x = 454,207.36

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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.