Home / 676,881.41-1,015,314.81-277,433.15

Finding the Fourth Proportional to 676,881.41, 1,015,314.81 and 277,433.15

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Solution

The fourth proportional to 676,881.41, 1,015,314.81 and 277,433.15 is: 416,146.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,881.41 : 1,015,314.81 = 277,433.15 : x
  2. Step 2: Convert to fraction form
    676,881.41/1,015,314.81 = 277,433.15/x
  3. Step 3: Cross multiply
    676,881.41x = 1,015,314.81 × 277,433.15
  4. Step 4: Simplify right side
    676,881.41x = 281,681,980,903.38
  5. Step 5: Solve for x
    x = 281,681,980,903.38/676,881.41
  6. Step 6: Final answer
    x = 416,146.73

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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.