Home / 555,215.24-766,199.52-300,566.43

Finding the Fourth Proportional to 555,215.24, 766,199.52 and 300,566.43

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Solution

The fourth proportional to 555,215.24, 766,199.52 and 300,566.43 is: 414,783.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,215.24 : 766,199.52 = 300,566.43 : x
  2. Step 2: Convert to fraction form
    555,215.24/766,199.52 = 300,566.43/x
  3. Step 3: Cross multiply
    555,215.24x = 766,199.52 × 300,566.43
  4. Step 4: Simplify right side
    555,215.24x = 230,293,854,394.11
  5. Step 5: Solve for x
    x = 230,293,854,394.11/555,215.24
  6. Step 6: Final answer
    x = 414,783.02

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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.