Home / 546,921.78-754,753.77-305,214.58

Finding the Fourth Proportional to 546,921.78, 754,753.77 and 305,214.58

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Solution

The fourth proportional to 546,921.78, 754,753.77 and 305,214.58 is: 421,197.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,921.78 : 754,753.77 = 305,214.58 : x
  2. Step 2: Convert to fraction form
    546,921.78/754,753.77 = 305,214.58/x
  3. Step 3: Cross multiply
    546,921.78x = 754,753.77 × 305,214.58
  4. Step 4: Simplify right side
    546,921.78x = 230,361,854,913.97
  5. Step 5: Solve for x
    x = 230,361,854,913.97/546,921.78
  6. Step 6: Final answer
    x = 421,197.08

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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.