Home / 779,005.47-1,168,508.21-188,029.47

Finding the Fourth Proportional to 779,005.47, 1,168,508.21 and 188,029.47

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Solution

The fourth proportional to 779,005.47, 1,168,508.21 and 188,029.47 is: 282,044.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,005.47 : 1,168,508.21 = 188,029.47 : x
  2. Step 2: Convert to fraction form
    779,005.47/1,168,508.21 = 188,029.47/x
  3. Step 3: Cross multiply
    779,005.47x = 1,168,508.21 × 188,029.47
  4. Step 4: Simplify right side
    779,005.47x = 219,713,978,476.80
  5. Step 5: Solve for x
    x = 219,713,978,476.80/779,005.47
  6. Step 6: Final answer
    x = 282,044.21

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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.