Home / 476,406.82-657,442.53-261,560.72

Finding the Fourth Proportional to 476,406.82, 657,442.53 and 261,560.72

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Solution

The fourth proportional to 476,406.82, 657,442.53 and 261,560.72 is: 360,954.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,406.82 : 657,442.53 = 261,560.72 : x
  2. Step 2: Convert to fraction form
    476,406.82/657,442.53 = 261,560.72/x
  3. Step 3: Cross multiply
    476,406.82x = 657,442.53 × 261,560.72
  4. Step 4: Simplify right side
    476,406.82x = 171,961,141,505.42
  5. Step 5: Solve for x
    x = 171,961,141,505.42/476,406.82
  6. Step 6: Final answer
    x = 360,954.41

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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.