Home / 719,524.64-1,079,098.76-213,949.38

Finding the Fourth Proportional to 719,524.64, 1,079,098.76 and 213,949.38

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Solution

The fourth proportional to 719,524.64, 1,079,098.76 and 213,949.38 is: 320,868.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,524.64 : 1,079,098.76 = 213,949.38 : x
  2. Step 2: Convert to fraction form
    719,524.64/1,079,098.76 = 213,949.38/x
  3. Step 3: Cross multiply
    719,524.64x = 1,079,098.76 × 213,949.38
  4. Step 4: Simplify right side
    719,524.64x = 230,872,510,660.77
  5. Step 5: Solve for x
    x = 230,872,510,660.77/719,524.64
  6. Step 6: Final answer
    x = 320,868.11

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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.