Home / 476,564.20-657,660.38-258,773.15

Finding the Fourth Proportional to 476,564.20, 657,660.38 and 258,773.15

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Solution

The fourth proportional to 476,564.20, 657,660.38 and 258,773.15 is: 357,107.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,564.20 : 657,660.38 = 258,773.15 : x
  2. Step 2: Convert to fraction form
    476,564.20/657,660.38 = 258,773.15/x
  3. Step 3: Cross multiply
    476,564.20x = 657,660.38 × 258,773.15
  4. Step 4: Simplify right side
    476,564.20x = 170,184,848,162.80
  5. Step 5: Solve for x
    x = 170,184,848,162.80/476,564.20
  6. Step 6: Final answer
    x = 357,107.92

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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.