Home / 508,730.22-763,076.50-205,255.62

Finding the Fourth Proportional to 508,730.22, 763,076.50 and 205,255.62

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Solution

The fourth proportional to 508,730.22, 763,076.50 and 205,255.62 is: 307,875.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,730.22 : 763,076.50 = 205,255.62 : x
  2. Step 2: Convert to fraction form
    508,730.22/763,076.50 = 205,255.62/x
  3. Step 3: Cross multiply
    508,730.22x = 763,076.50 × 205,255.62
  4. Step 4: Simplify right side
    508,730.22x = 156,625,739,601.79
  5. Step 5: Solve for x
    x = 156,625,739,601.79/508,730.22
  6. Step 6: Final answer
    x = 307,875.83

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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.