Home / 498,530.82-687,969.03-272,176.32

Finding the Fourth Proportional to 498,530.82, 687,969.03 and 272,176.32

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Solution

The fourth proportional to 498,530.82, 687,969.03 and 272,176.32 is: 375,601.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,530.82 : 687,969.03 = 272,176.32 : x
  2. Step 2: Convert to fraction form
    498,530.82/687,969.03 = 272,176.32/x
  3. Step 3: Cross multiply
    498,530.82x = 687,969.03 × 272,176.32
  4. Step 4: Simplify right side
    498,530.82x = 187,248,878,859.37
  5. Step 5: Solve for x
    x = 187,248,878,859.37/498,530.82
  6. Step 6: Final answer
    x = 375,601.41

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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.