Home / 497,072.80-685,961.36-270,719.52

Finding the Fourth Proportional to 497,072.80, 685,961.36 and 270,719.52

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Solution

The fourth proportional to 497,072.80, 685,961.36 and 270,719.52 is: 373,593.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,072.80 : 685,961.36 = 270,719.52 : x
  2. Step 2: Convert to fraction form
    497,072.80/685,961.36 = 270,719.52/x
  3. Step 3: Cross multiply
    497,072.80x = 685,961.36 × 270,719.52
  4. Step 4: Simplify right side
    497,072.80x = 185,703,130,117.75
  5. Step 5: Solve for x
    x = 185,703,130,117.75/497,072.80
  6. Step 6: Final answer
    x = 373,593.43

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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.