Home / 690,592.27-952,968.35-380,481.31

Finding the Fourth Proportional to 690,592.27, 952,968.35 and 380,481.31

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Solution

The fourth proportional to 690,592.27, 952,968.35 and 380,481.31 is: 525,037.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,592.27 : 952,968.35 = 380,481.31 : x
  2. Step 2: Convert to fraction form
    690,592.27/952,968.35 = 380,481.31/x
  3. Step 3: Cross multiply
    690,592.27x = 952,968.35 × 380,481.31
  4. Step 4: Simplify right side
    690,592.27x = 362,586,646,196.54
  5. Step 5: Solve for x
    x = 362,586,646,196.54/690,592.27
  6. Step 6: Final answer
    x = 525,037.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.