Home / 703,677-1,055,115.60-276,981.56

Finding the Fourth Proportional to 703,677, 1,055,115.60 and 276,981.56

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Solution

The fourth proportional to 703,677, 1,055,115.60 and 276,981.56 is: 415,314.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,677 : 1,055,115.60 = 276,981.56 : x
  2. Step 2: Convert to fraction form
    703,677/1,055,115.60 = 276,981.56/x
  3. Step 3: Cross multiply
    703,677x = 1,055,115.60 × 276,981.56
  4. Step 4: Simplify right side
    703,677x = 292,247,564,868.34
  5. Step 5: Solve for x
    x = 292,247,564,868.34/703,677
  6. Step 6: Final answer
    x = 415,314.93

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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.