Home / 925,747.50-1,388,262.30-318,420.33

Finding the Fourth Proportional to 925,747.50, 1,388,262.30 and 318,420.33

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Solution

The fourth proportional to 925,747.50, 1,388,262.30 and 318,420.33 is: 477,507.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,747.50 : 1,388,262.30 = 318,420.33 : x
  2. Step 2: Convert to fraction form
    925,747.50/1,388,262.30 = 318,420.33/x
  3. Step 3: Cross multiply
    925,747.50x = 1,388,262.30 × 318,420.33
  4. Step 4: Simplify right side
    925,747.50x = 442,050,939,692.56
  5. Step 5: Solve for x
    x = 442,050,939,692.56/925,747.50
  6. Step 6: Final answer
    x = 477,507.03

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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.