Home / 770,008.89-1,154,198.87-290,029.02

Finding the Fourth Proportional to 770,008.89, 1,154,198.87 and 290,029.02

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Solution

The fourth proportional to 770,008.89, 1,154,198.87 and 290,029.02 is: 434,736.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,008.89 : 1,154,198.87 = 290,029.02 : x
  2. Step 2: Convert to fraction form
    770,008.89/1,154,198.87 = 290,029.02/x
  3. Step 3: Cross multiply
    770,008.89x = 1,154,198.87 × 290,029.02
  4. Step 4: Simplify right side
    770,008.89x = 334,751,167,151.21
  5. Step 5: Solve for x
    x = 334,751,167,151.21/770,008.89
  6. Step 6: Final answer
    x = 434,736.76

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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.