Home / 743,052.74-1,114,227.72-287,857.17

Finding the Fourth Proportional to 743,052.74, 1,114,227.72 and 287,857.17

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Solution

The fourth proportional to 743,052.74, 1,114,227.72 and 287,857.17 is: 431,649.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,052.74 : 1,114,227.72 = 287,857.17 : x
  2. Step 2: Convert to fraction form
    743,052.74/1,114,227.72 = 287,857.17/x
  3. Step 3: Cross multiply
    743,052.74x = 1,114,227.72 × 287,857.17
  4. Step 4: Simplify right side
    743,052.74x = 320,738,438,214.75
  5. Step 5: Solve for x
    x = 320,738,438,214.75/743,052.74
  6. Step 6: Final answer
    x = 431,649.63

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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.