Home / 719,883.90-1,079,942.49-299,182.86

Finding the Fourth Proportional to 719,883.90, 1,079,942.49 and 299,182.86

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Solution

The fourth proportional to 719,883.90, 1,079,942.49 and 299,182.86 is: 448,822.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,883.90 : 1,079,942.49 = 299,182.86 : x
  2. Step 2: Convert to fraction form
    719,883.90/1,079,942.49 = 299,182.86/x
  3. Step 3: Cross multiply
    719,883.90x = 1,079,942.49 × 299,182.86
  4. Step 4: Simplify right side
    719,883.90x = 323,100,282,793.72
  5. Step 5: Solve for x
    x = 323,100,282,793.72/719,883.90
  6. Step 6: Final answer
    x = 448,822.77

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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.