Home / 860,501.39-1,290,537.48-253,168.84

Finding the Fourth Proportional to 860,501.39, 1,290,537.48 and 253,168.84

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Solution

The fourth proportional to 860,501.39, 1,290,537.48 and 253,168.84 is: 379,690.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,501.39 : 1,290,537.48 = 253,168.84 : x
  2. Step 2: Convert to fraction form
    860,501.39/1,290,537.48 = 253,168.84/x
  3. Step 3: Cross multiply
    860,501.39x = 1,290,537.48 × 253,168.84
  4. Step 4: Simplify right side
    860,501.39x = 326,723,876,788.12
  5. Step 5: Solve for x
    x = 326,723,876,788.12/860,501.39
  6. Step 6: Final answer
    x = 379,690.12

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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.