Home / 548,268.36-756,575.28-306,570.84

Finding the Fourth Proportional to 548,268.36, 756,575.28 and 306,570.84

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Solution

The fourth proportional to 548,268.36, 756,575.28 and 306,570.84 is: 423,048.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,268.36 : 756,575.28 = 306,570.84 : x
  2. Step 2: Convert to fraction form
    548,268.36/756,575.28 = 306,570.84/x
  3. Step 3: Cross multiply
    548,268.36x = 756,575.28 × 306,570.84
  4. Step 4: Simplify right side
    548,268.36x = 231,943,919,112.84
  5. Step 5: Solve for x
    x = 231,943,919,112.84/548,268.36
  6. Step 6: Final answer
    x = 423,048.16

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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.