Home / 476,439.54-657,494.79-261,588.66

Finding the Fourth Proportional to 476,439.54, 657,494.79 and 261,588.66

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Solution

The fourth proportional to 476,439.54, 657,494.79 and 261,588.66 is: 360,996.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,439.54 : 657,494.79 = 261,588.66 : x
  2. Step 2: Convert to fraction form
    476,439.54/657,494.79 = 261,588.66/x
  3. Step 3: Cross multiply
    476,439.54x = 657,494.79 × 261,588.66
  4. Step 4: Simplify right side
    476,439.54x = 171,993,181,073.08
  5. Step 5: Solve for x
    x = 171,993,181,073.08/476,439.54
  6. Step 6: Final answer
    x = 360,996.87

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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.