Home / 855,165.78-1,283,120.73-536,048.94

Finding the Fourth Proportional to 855,165.78, 1,283,120.73 and 536,048.94

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Solution

The fourth proportional to 855,165.78, 1,283,120.73 and 536,048.94 is: 804,306.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,165.78 : 1,283,120.73 = 536,048.94 : x
  2. Step 2: Convert to fraction form
    855,165.78/1,283,120.73 = 536,048.94/x
  3. Step 3: Cross multiply
    855,165.78x = 1,283,120.73 × 536,048.94
  4. Step 4: Simplify right side
    855,165.78x = 687,815,507,208.53
  5. Step 5: Solve for x
    x = 687,815,507,208.53/855,165.78
  6. Step 6: Final answer
    x = 804,306.63

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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.