Home / 555,723.06-766,933.16-340,833.84

Finding the Fourth Proportional to 555,723.06, 766,933.16 and 340,833.84

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Solution

The fourth proportional to 555,723.06, 766,933.16 and 340,833.84 is: 470,372.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,723.06 : 766,933.16 = 340,833.84 : x
  2. Step 2: Convert to fraction form
    555,723.06/766,933.16 = 340,833.84/x
  3. Step 3: Cross multiply
    555,723.06x = 766,933.16 × 340,833.84
  4. Step 4: Simplify right side
    555,723.06x = 261,396,772,241.97
  5. Step 5: Solve for x
    x = 261,396,772,241.97/555,723.06
  6. Step 6: Final answer
    x = 470,372.37

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1.5x scale

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.