Home / 646,293.60-969,883.20-225,569.48

Finding the Fourth Proportional to 646,293.60, 969,883.20 and 225,569.48

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Solution

The fourth proportional to 646,293.60, 969,883.20 and 225,569.48 is: 338,508.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,293.60 : 969,883.20 = 225,569.48 : x
  2. Step 2: Convert to fraction form
    646,293.60/969,883.20 = 225,569.48/x
  3. Step 3: Cross multiply
    646,293.60x = 969,883.20 × 225,569.48
  4. Step 4: Simplify right side
    646,293.60x = 218,776,044,235.32
  5. Step 5: Solve for x
    x = 218,776,044,235.32/646,293.60
  6. Step 6: Final answer
    x = 338,508.76

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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.