Home / 452,669.11-679,001.03-115,709.31

Finding the Fourth Proportional to 452,669.11, 679,001.03 and 115,709.31

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Solution

The fourth proportional to 452,669.11, 679,001.03 and 115,709.31 is: 173,563.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,669.11 : 679,001.03 = 115,709.31 : x
  2. Step 2: Convert to fraction form
    452,669.11/679,001.03 = 115,709.31/x
  3. Step 3: Cross multiply
    452,669.11x = 679,001.03 × 115,709.31
  4. Step 4: Simplify right side
    452,669.11x = 78,566,740,525.95
  5. Step 5: Solve for x
    x = 78,566,740,525.95/452,669.11
  6. Step 6: Final answer
    x = 173,563.29

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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.