Home / 542,916.83-749,245.24-328,015.37

Finding the Fourth Proportional to 542,916.83, 749,245.24 and 328,015.37

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Solution

The fourth proportional to 542,916.83, 749,245.24 and 328,015.37 is: 452,673.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,916.83 : 749,245.24 = 328,015.37 : x
  2. Step 2: Convert to fraction form
    542,916.83/749,245.24 = 328,015.37/x
  3. Step 3: Cross multiply
    542,916.83x = 749,245.24 × 328,015.37
  4. Step 4: Simplify right side
    542,916.83x = 245,763,956,902.47
  5. Step 5: Solve for x
    x = 245,763,956,902.47/542,916.83
  6. Step 6: Final answer
    x = 452,673.31

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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.