Home / 439,675.98-659,292.20-313,243.98

Finding the Fourth Proportional to 439,675.98, 659,292.20 and 313,243.98

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Solution

The fourth proportional to 439,675.98, 659,292.20 and 313,243.98 is: 469,707.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,675.98 : 659,292.20 = 313,243.98 : x
  2. Step 2: Convert to fraction form
    439,675.98/659,292.20 = 313,243.98/x
  3. Step 3: Cross multiply
    439,675.98x = 659,292.20 × 313,243.98
  4. Step 4: Simplify right side
    439,675.98x = 206,519,312,710.96
  5. Step 5: Solve for x
    x = 206,519,312,710.96/439,675.98
  6. Step 6: Final answer
    x = 469,707.97

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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.