Home / 626,272.24-938,227.32-485,341.96

Finding the Fourth Proportional to 626,272.24, 938,227.32 and 485,341.96

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Solution

The fourth proportional to 626,272.24, 938,227.32 and 485,341.96 is: 727,097.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,272.24 : 938,227.32 = 485,341.96 : x
  2. Step 2: Convert to fraction form
    626,272.24/938,227.32 = 485,341.96/x
  3. Step 3: Cross multiply
    626,272.24x = 938,227.32 × 485,341.96
  4. Step 4: Simplify right side
    626,272.24x = 455,361,086,414.35
  5. Step 5: Solve for x
    x = 455,361,086,414.35/626,272.24
  6. Step 6: Final answer
    x = 727,097.67

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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.