Home / 860,247.75-1,290,288.23-261,214.17

Finding the Fourth Proportional to 860,247.75, 1,290,288.23 and 261,214.17

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Solution

The fourth proportional to 860,247.75, 1,290,288.23 and 261,214.17 is: 391,795.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,247.75 : 1,290,288.23 = 261,214.17 : x
  2. Step 2: Convert to fraction form
    860,247.75/1,290,288.23 = 261,214.17/x
  3. Step 3: Cross multiply
    860,247.75x = 1,290,288.23 × 261,214.17
  4. Step 4: Simplify right side
    860,247.75x = 337,041,569,060.22
  5. Step 5: Solve for x
    x = 337,041,569,060.22/860,247.75
  6. Step 6: Final answer
    x = 391,795.93

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1.5x scale

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.