Home / 938,447.20-1,409,744.40-658,511.20

Finding the Fourth Proportional to 938,447.20, 1,409,744.40 and 658,511.20

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Solution

The fourth proportional to 938,447.20, 1,409,744.40 and 658,511.20 is: 989,221.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,447.20 : 1,409,744.40 = 658,511.20 : x
  2. Step 2: Convert to fraction form
    938,447.20/1,409,744.40 = 658,511.20/x
  3. Step 3: Cross multiply
    938,447.20x = 1,409,744.40 × 658,511.20
  4. Step 4: Simplify right side
    938,447.20x = 928,332,476,537.28
  5. Step 5: Solve for x
    x = 928,332,476,537.28/938,447.20
  6. Step 6: Final answer
    x = 989,221.85

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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.