Home / 704,336.78-1,056,569.57-198,905.28

Finding the Fourth Proportional to 704,336.78, 1,056,569.57 and 198,905.28

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Solution

The fourth proportional to 704,336.78, 1,056,569.57 and 198,905.28 is: 298,376.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,336.78 : 1,056,569.57 = 198,905.28 : x
  2. Step 2: Convert to fraction form
    704,336.78/1,056,569.57 = 198,905.28/x
  3. Step 3: Cross multiply
    704,336.78x = 1,056,569.57 × 198,905.28
  4. Step 4: Simplify right side
    704,336.78x = 210,157,266,160.33
  5. Step 5: Solve for x
    x = 210,157,266,160.33/704,336.78
  6. Step 6: Final answer
    x = 298,376.11

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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.