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Finding the Fourth Proportional to 746,820.48, 1,119,866.88 and 248,016

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Solution

The fourth proportional to 746,820.48, 1,119,866.88 and 248,016 is: 371,903.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,820.48 : 1,119,866.88 = 248,016 : x
  2. Step 2: Convert to fraction form
    746,820.48/1,119,866.88 = 248,016/x
  3. Step 3: Cross multiply
    746,820.48x = 1,119,866.88 × 248,016
  4. Step 4: Simplify right side
    746,820.48x = 277,744,904,110.08
  5. Step 5: Solve for x
    x = 277,744,904,110.08/746,820.48
  6. Step 6: Final answer
    x = 371,903.17

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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.