Home / 946,386-1,419,366.78-272,317.14

Finding the Fourth Proportional to 946,386, 1,419,366.78 and 272,317.14

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Solution

The fourth proportional to 946,386, 1,419,366.78 and 272,317.14 is: 408,414.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,386 : 1,419,366.78 = 272,317.14 : x
  2. Step 2: Convert to fraction form
    946,386/1,419,366.78 = 272,317.14/x
  3. Step 3: Cross multiply
    946,386x = 1,419,366.78 × 272,317.14
  4. Step 4: Simplify right side
    946,386x = 386,517,902,140.61
  5. Step 5: Solve for x
    x = 386,517,902,140.61/946,386
  6. Step 6: Final answer
    x = 408,414.64

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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.