Home / 371,926.29-513,505.44-285,731.76

Finding the Fourth Proportional to 371,926.29, 513,505.44 and 285,731.76

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Solution

The fourth proportional to 371,926.29, 513,505.44 and 285,731.76 is: 394,499.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,926.29 : 513,505.44 = 285,731.76 : x
  2. Step 2: Convert to fraction form
    371,926.29/513,505.44 = 285,731.76/x
  3. Step 3: Cross multiply
    371,926.29x = 513,505.44 × 285,731.76
  4. Step 4: Simplify right side
    371,926.29x = 146,724,813,140.77
  5. Step 5: Solve for x
    x = 146,724,813,140.77/371,926.29
  6. Step 6: Final answer
    x = 394,499.71

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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.