Home / 354,965.40-532,448.10-327,931.80

Finding the Fourth Proportional to 354,965.40, 532,448.10 and 327,931.80

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Solution

The fourth proportional to 354,965.40, 532,448.10 and 327,931.80 is: 491,897.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,965.40 : 532,448.10 = 327,931.80 : x
  2. Step 2: Convert to fraction form
    354,965.40/532,448.10 = 327,931.80/x
  3. Step 3: Cross multiply
    354,965.40x = 532,448.10 × 327,931.80
  4. Step 4: Simplify right side
    354,965.40x = 174,606,663,839.58
  5. Step 5: Solve for x
    x = 174,606,663,839.58/354,965.40
  6. Step 6: Final answer
    x = 491,897.70

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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.