Home / 838,231.78-1,257,595.92-483,500.38

Finding the Fourth Proportional to 838,231.78, 1,257,595.92 and 483,500.38

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Solution

The fourth proportional to 838,231.78, 1,257,595.92 and 483,500.38 is: 725,393.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,231.78 : 1,257,595.92 = 483,500.38 : x
  2. Step 2: Convert to fraction form
    838,231.78/1,257,595.92 = 483,500.38/x
  3. Step 3: Cross multiply
    838,231.78x = 1,257,595.92 × 483,500.38
  4. Step 4: Simplify right side
    838,231.78x = 608,048,105,206.45
  5. Step 5: Solve for x
    x = 608,048,105,206.45/838,231.78
  6. Step 6: Final answer
    x = 725,393.76

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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.