Home / 796,141.78-1,098,625.89-438,445.78

Finding the Fourth Proportional to 796,141.78, 1,098,625.89 and 438,445.78

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Solution

The fourth proportional to 796,141.78, 1,098,625.89 and 438,445.78 is: 605,027.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    796,141.78 : 1,098,625.89 = 438,445.78 : x
  2. Step 2: Convert to fraction form
    796,141.78/1,098,625.89 = 438,445.78/x
  3. Step 3: Cross multiply
    796,141.78x = 1,098,625.89 × 438,445.78
  4. Step 4: Simplify right side
    796,141.78x = 481,687,885,269.24
  5. Step 5: Solve for x
    x = 481,687,885,269.24/796,141.78
  6. Step 6: Final answer
    x = 605,027.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.