Home / 620,514.68-930,661.04-165,108.38

Finding the Fourth Proportional to 620,514.68, 930,661.04 and 165,108.38

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Solution

The fourth proportional to 620,514.68, 930,661.04 and 165,108.38 is: 247,633.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,514.68 : 930,661.04 = 165,108.38 : x
  2. Step 2: Convert to fraction form
    620,514.68/930,661.04 = 165,108.38/x
  3. Step 3: Cross multiply
    620,514.68x = 930,661.04 × 165,108.38
  4. Step 4: Simplify right side
    620,514.68x = 153,659,932,402.98
  5. Step 5: Solve for x
    x = 153,659,932,402.98/620,514.68
  6. Step 6: Final answer
    x = 247,633.04

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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.