Home / 874,160.82-1,311,381.36-368,796.24

Finding the Fourth Proportional to 874,160.82, 1,311,381.36 and 368,796.24

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Solution

The fourth proportional to 874,160.82, 1,311,381.36 and 368,796.24 is: 553,253.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,160.82 : 1,311,381.36 = 368,796.24 : x
  2. Step 2: Convert to fraction form
    874,160.82/1,311,381.36 = 368,796.24/x
  3. Step 3: Cross multiply
    874,160.82x = 1,311,381.36 × 368,796.24
  4. Step 4: Simplify right side
    874,160.82x = 483,632,514,774.09
  5. Step 5: Solve for x
    x = 483,632,514,774.09/874,160.82
  6. Step 6: Final answer
    x = 553,253.48

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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.