Home / 403,540.61-556,844.84-248,467.28

Finding the Fourth Proportional to 403,540.61, 556,844.84 and 248,467.28

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Solution

The fourth proportional to 403,540.61, 556,844.84 and 248,467.28 is: 342,859.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,540.61 : 556,844.84 = 248,467.28 : x
  2. Step 2: Convert to fraction form
    403,540.61/556,844.84 = 248,467.28/x
  3. Step 3: Cross multiply
    403,540.61x = 556,844.84 × 248,467.28
  4. Step 4: Simplify right side
    403,540.61x = 138,357,718,750.28
  5. Step 5: Solve for x
    x = 138,357,718,750.28/403,540.61
  6. Step 6: Final answer
    x = 342,859.47

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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.