Home / 860,252.95-1,290,296.00-261,219.30

Finding the Fourth Proportional to 860,252.95, 1,290,296.00 and 261,219.30

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Solution

The fourth proportional to 860,252.95, 1,290,296.00 and 261,219.30 is: 391,803.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,252.95 : 1,290,296.00 = 261,219.30 : x
  2. Step 2: Convert to fraction form
    860,252.95/1,290,296.00 = 261,219.30/x
  3. Step 3: Cross multiply
    860,252.95x = 1,290,296.00 × 261,219.30
  4. Step 4: Simplify right side
    860,252.95x = 337,050,211,448.05
  5. Step 5: Solve for x
    x = 337,050,211,448.05/860,252.95
  6. Step 6: Final answer
    x = 391,803.61

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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.