Home / 902,372.21-1,353,543.78-219,264.47

Finding the Fourth Proportional to 902,372.21, 1,353,543.78 and 219,264.47

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Solution

The fourth proportional to 902,372.21, 1,353,543.78 and 219,264.47 is: 328,893.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,372.21 : 1,353,543.78 = 219,264.47 : x
  2. Step 2: Convert to fraction form
    902,372.21/1,353,543.78 = 219,264.47/x
  3. Step 3: Cross multiply
    902,372.21x = 1,353,543.78 × 219,264.47
  4. Step 4: Simplify right side
    902,372.21x = 296,784,053,323.94
  5. Step 5: Solve for x
    x = 296,784,053,323.94/902,372.21
  6. Step 6: Final answer
    x = 328,893.17

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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.