Home / 901,818.67-1,352,408.92-261,989.29

Finding the Fourth Proportional to 901,818.67, 1,352,408.92 and 261,989.29

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Solution

The fourth proportional to 901,818.67, 1,352,408.92 and 261,989.29 is: 392,891.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,818.67 : 1,352,408.92 = 261,989.29 : x
  2. Step 2: Convert to fraction form
    901,818.67/1,352,408.92 = 261,989.29/x
  3. Step 3: Cross multiply
    901,818.67x = 1,352,408.92 × 261,989.29
  4. Step 4: Simplify right side
    901,818.67x = 354,316,652,740.47
  5. Step 5: Solve for x
    x = 354,316,652,740.47/901,818.67
  6. Step 6: Final answer
    x = 392,891.24

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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.