Home / 671,525.26-1,007,702.62-272,169.34

Finding the Fourth Proportional to 671,525.26, 1,007,702.62 and 272,169.34

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Solution

The fourth proportional to 671,525.26, 1,007,702.62 and 272,169.34 is: 408,422.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,525.26 : 1,007,702.62 = 272,169.34 : x
  2. Step 2: Convert to fraction form
    671,525.26/1,007,702.62 = 272,169.34/x
  3. Step 3: Cross multiply
    671,525.26x = 1,007,702.62 × 272,169.34
  4. Step 4: Simplify right side
    671,525.26x = 274,265,757,001.67
  5. Step 5: Solve for x
    x = 274,265,757,001.67/671,525.26
  6. Step 6: Final answer
    x = 408,422.10

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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.