Home / 718,548.08-1,077,995.26-269,272.86

Finding the Fourth Proportional to 718,548.08, 1,077,995.26 and 269,272.86

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Solution

The fourth proportional to 718,548.08, 1,077,995.26 and 269,272.86 is: 403,974.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,548.08 : 1,077,995.26 = 269,272.86 : x
  2. Step 2: Convert to fraction form
    718,548.08/1,077,995.26 = 269,272.86/x
  3. Step 3: Cross multiply
    718,548.08x = 1,077,995.26 × 269,272.86
  4. Step 4: Simplify right side
    718,548.08x = 290,274,866,726.64
  5. Step 5: Solve for x
    x = 290,274,866,726.64/718,548.08
  6. Step 6: Final answer
    x = 403,974.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.