Home / 487,922.89-673,319.10-270,141.25

Finding the Fourth Proportional to 487,922.89, 673,319.10 and 270,141.25

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Solution

The fourth proportional to 487,922.89, 673,319.10 and 270,141.25 is: 372,786.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,922.89 : 673,319.10 = 270,141.25 : x
  2. Step 2: Convert to fraction form
    487,922.89/673,319.10 = 270,141.25/x
  3. Step 3: Cross multiply
    487,922.89x = 673,319.10 × 270,141.25
  4. Step 4: Simplify right side
    487,922.89x = 181,891,263,322.88
  5. Step 5: Solve for x
    x = 181,891,263,322.88/487,922.89
  6. Step 6: Final answer
    x = 372,786.90

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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.