Home / 860,003.93-1,290,006.12-252,792.27

Finding the Fourth Proportional to 860,003.93, 1,290,006.12 and 252,792.27

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Solution

The fourth proportional to 860,003.93, 1,290,006.12 and 252,792.27 is: 379,188.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,003.93 : 1,290,006.12 = 252,792.27 : x
  2. Step 2: Convert to fraction form
    860,003.93/1,290,006.12 = 252,792.27/x
  3. Step 3: Cross multiply
    860,003.93x = 1,290,006.12 × 252,792.27
  4. Step 4: Simplify right side
    860,003.93x = 326,103,568,938.66
  5. Step 5: Solve for x
    x = 326,103,568,938.66/860,003.93
  6. Step 6: Final answer
    x = 379,188.46

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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.