Home / 860,746.70-1,291,192.31-261,713.04

Finding the Fourth Proportional to 860,746.70, 1,291,192.31 and 261,713.04

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Solution

The fourth proportional to 860,746.70, 1,291,192.31 and 261,713.04 is: 392,591.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,746.70 : 1,291,192.31 = 261,713.04 : x
  2. Step 2: Convert to fraction form
    860,746.70/1,291,192.31 = 261,713.04/x
  3. Step 3: Cross multiply
    860,746.70x = 1,291,192.31 × 261,713.04
  4. Step 4: Simplify right side
    860,746.70x = 337,921,865,329.01
  5. Step 5: Solve for x
    x = 337,921,865,329.01/860,746.70
  6. Step 6: Final answer
    x = 392,591.53

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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.