Home / 860,002.43-1,290,003.87-252,790.77

Finding the Fourth Proportional to 860,002.43, 1,290,003.87 and 252,790.77

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Solution

The fourth proportional to 860,002.43, 1,290,003.87 and 252,790.77 is: 379,186.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,002.43 : 1,290,003.87 = 252,790.77 : x
  2. Step 2: Convert to fraction form
    860,002.43/1,290,003.87 = 252,790.77/x
  3. Step 3: Cross multiply
    860,002.43x = 1,290,003.87 × 252,790.77
  4. Step 4: Simplify right side
    860,002.43x = 326,101,071,600.28
  5. Step 5: Solve for x
    x = 326,101,071,600.28/860,002.43
  6. Step 6: Final answer
    x = 379,186.22

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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.