Home / 860,167.44-1,290,105.52-260,984.08

Finding the Fourth Proportional to 860,167.44, 1,290,105.52 and 260,984.08

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Solution

The fourth proportional to 860,167.44, 1,290,105.52 and 260,984.08 is: 391,431.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,167.44 : 1,290,105.52 = 260,984.08 : x
  2. Step 2: Convert to fraction form
    860,167.44/1,290,105.52 = 260,984.08/x
  3. Step 3: Cross multiply
    860,167.44x = 1,290,105.52 × 260,984.08
  4. Step 4: Simplify right side
    860,167.44x = 336,697,002,240.12
  5. Step 5: Solve for x
    x = 336,697,002,240.12/860,167.44
  6. Step 6: Final answer
    x = 391,431.93

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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.