Home / 542,929.89-749,333.19-301,290.09

Finding the Fourth Proportional to 542,929.89, 749,333.19 and 301,290.09

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Solution

The fourth proportional to 542,929.89, 749,333.19 and 301,290.09 is: 415,830.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,929.89 : 749,333.19 = 301,290.09 : x
  2. Step 2: Convert to fraction form
    542,929.89/749,333.19 = 301,290.09/x
  3. Step 3: Cross multiply
    542,929.89x = 749,333.19 × 301,290.09
  4. Step 4: Simplify right side
    542,929.89x = 225,766,664,255.09
  5. Step 5: Solve for x
    x = 225,766,664,255.09/542,929.89
  6. Step 6: Final answer
    x = 415,830.24

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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.