Home / 380,563.80-524,565.96-258,016.46

Finding the Fourth Proportional to 380,563.80, 524,565.96 and 258,016.46

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Solution

The fourth proportional to 380,563.80, 524,565.96 and 258,016.46 is: 355,647.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,563.80 : 524,565.96 = 258,016.46 : x
  2. Step 2: Convert to fraction form
    380,563.80/524,565.96 = 258,016.46/x
  3. Step 3: Cross multiply
    380,563.80x = 524,565.96 × 258,016.46
  4. Step 4: Simplify right side
    380,563.80x = 135,346,652,035.70
  5. Step 5: Solve for x
    x = 135,346,652,035.70/380,563.80
  6. Step 6: Final answer
    x = 355,647.73

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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.