Home / 770,961.17-1,156,081.88-290,819.03

Finding the Fourth Proportional to 770,961.17, 1,156,081.88 and 290,819.03

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Solution

The fourth proportional to 770,961.17, 1,156,081.88 and 290,819.03 is: 436,092.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,961.17 : 1,156,081.88 = 290,819.03 : x
  2. Step 2: Convert to fraction form
    770,961.17/1,156,081.88 = 290,819.03/x
  3. Step 3: Cross multiply
    770,961.17x = 1,156,081.88 × 290,819.03
  4. Step 4: Simplify right side
    770,961.17x = 336,210,605,888.82
  5. Step 5: Solve for x
    x = 336,210,605,888.82/770,961.17
  6. Step 6: Final answer
    x = 436,092.79

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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.