Home / 555,617.27-766,755.52-300,968.46

Finding the Fourth Proportional to 555,617.27, 766,755.52 and 300,968.46

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Solution

The fourth proportional to 555,617.27, 766,755.52 and 300,968.46 is: 415,338.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,617.27 : 766,755.52 = 300,968.46 : x
  2. Step 2: Convert to fraction form
    555,617.27/766,755.52 = 300,968.46/x
  3. Step 3: Cross multiply
    555,617.27x = 766,755.52 × 300,968.46
  4. Step 4: Simplify right side
    555,617.27x = 230,769,227,298.48
  5. Step 5: Solve for x
    x = 230,769,227,298.48/555,617.27
  6. Step 6: Final answer
    x = 415,338.47

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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.