Home / 700,300.65-966,402.18-394,375.80

Finding the Fourth Proportional to 700,300.65, 966,402.18 and 394,375.80

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Solution

The fourth proportional to 700,300.65, 966,402.18 and 394,375.80 is: 544,231.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,300.65 : 966,402.18 = 394,375.80 : x
  2. Step 2: Convert to fraction form
    700,300.65/966,402.18 = 394,375.80/x
  3. Step 3: Cross multiply
    700,300.65x = 966,402.18 × 394,375.80
  4. Step 4: Simplify right side
    700,300.65x = 381,125,632,859.24
  5. Step 5: Solve for x
    x = 381,125,632,859.24/700,300.65
  6. Step 6: Final answer
    x = 544,231.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.