Home / 880,064.90-1,214,447.56-540,467.54

Finding the Fourth Proportional to 880,064.90, 1,214,447.56 and 540,467.54

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Solution

The fourth proportional to 880,064.90, 1,214,447.56 and 540,467.54 is: 745,819.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,064.90 : 1,214,447.56 = 540,467.54 : x
  2. Step 2: Convert to fraction form
    880,064.90/1,214,447.56 = 540,467.54/x
  3. Step 3: Cross multiply
    880,064.90x = 1,214,447.56 × 540,467.54
  4. Step 4: Simplify right side
    880,064.90x = 656,369,479,139.97
  5. Step 5: Solve for x
    x = 656,369,479,139.97/880,064.90
  6. Step 6: Final answer
    x = 745,819.41

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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.