Home / 513,003.35-707,847.15-321,930.62

Finding the Fourth Proportional to 513,003.35, 707,847.15 and 321,930.62

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Solution

The fourth proportional to 513,003.35, 707,847.15 and 321,930.62 is: 444,203.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,003.35 : 707,847.15 = 321,930.62 : x
  2. Step 2: Convert to fraction form
    513,003.35/707,847.15 = 321,930.62/x
  3. Step 3: Cross multiply
    513,003.35x = 707,847.15 × 321,930.62
  4. Step 4: Simplify right side
    513,003.35x = 227,877,668,325.50
  5. Step 5: Solve for x
    x = 227,877,668,325.50/513,003.35
  6. Step 6: Final answer
    x = 444,203.08

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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.