Home / 719,240.79-1,079,003.30-263,836.25

Finding the Fourth Proportional to 719,240.79, 1,079,003.30 and 263,836.25

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Solution

The fourth proportional to 719,240.79, 1,079,003.30 and 263,836.25 is: 395,806.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,240.79 : 1,079,003.30 = 263,836.25 : x
  2. Step 2: Convert to fraction form
    719,240.79/1,079,003.30 = 263,836.25/x
  3. Step 3: Cross multiply
    719,240.79x = 1,079,003.30 × 263,836.25
  4. Step 4: Simplify right side
    719,240.79x = 284,680,182,371.71
  5. Step 5: Solve for x
    x = 284,680,182,371.71/719,240.79
  6. Step 6: Final answer
    x = 395,806.51

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1.5x scale

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.