Home / 496,977.40-744,882.90-212,667.40

Finding the Fourth Proportional to 496,977.40, 744,882.90 and 212,667.40

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Solution

The fourth proportional to 496,977.40, 744,882.90 and 212,667.40 is: 318,751.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,977.40 : 744,882.90 = 212,667.40 : x
  2. Step 2: Convert to fraction form
    496,977.40/744,882.90 = 212,667.40/x
  3. Step 3: Cross multiply
    496,977.40x = 744,882.90 × 212,667.40
  4. Step 4: Simplify right side
    496,977.40x = 158,412,309,647.46
  5. Step 5: Solve for x
    x = 158,412,309,647.46/496,977.40
  6. Step 6: Final answer
    x = 318,751.54

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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.