Home / 525,836.68-725,803.27-311,051.41

Finding the Fourth Proportional to 525,836.68, 725,803.27 and 311,051.41

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Solution

The fourth proportional to 525,836.68, 725,803.27 and 311,051.41 is: 429,338.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,836.68 : 725,803.27 = 311,051.41 : x
  2. Step 2: Convert to fraction form
    525,836.68/725,803.27 = 311,051.41/x
  3. Step 3: Cross multiply
    525,836.68x = 725,803.27 × 311,051.41
  4. Step 4: Simplify right side
    525,836.68x = 225,762,127,923.97
  5. Step 5: Solve for x
    x = 225,762,127,923.97/525,836.68
  6. Step 6: Final answer
    x = 429,338.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.