Home / 690,591.27-952,966.97-380,480.31

Finding the Fourth Proportional to 690,591.27, 952,966.97 and 380,480.31

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Solution

The fourth proportional to 690,591.27, 952,966.97 and 380,480.31 is: 525,035.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,591.27 : 952,966.97 = 380,480.31 : x
  2. Step 2: Convert to fraction form
    690,591.27/952,966.97 = 380,480.31/x
  3. Step 3: Cross multiply
    690,591.27x = 952,966.97 × 380,480.31
  4. Step 4: Simplify right side
    690,591.27x = 362,585,165,189.55
  5. Step 5: Solve for x
    x = 362,585,165,189.55/690,591.27
  6. Step 6: Final answer
    x = 525,035.84

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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.