Home / 690,592.69-952,968.93-380,481.73

Finding the Fourth Proportional to 690,592.69, 952,968.93 and 380,481.73

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Solution

The fourth proportional to 690,592.69, 952,968.93 and 380,481.73 is: 525,037.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,592.69 : 952,968.93 = 380,481.73 : x
  2. Step 2: Convert to fraction form
    690,592.69/952,968.93 = 380,481.73/x
  3. Step 3: Cross multiply
    690,592.69x = 952,968.93 × 380,481.73
  4. Step 4: Simplify right side
    690,592.69x = 362,587,267,122.65
  5. Step 5: Solve for x
    x = 362,587,267,122.65/690,592.69
  6. Step 6: Final answer
    x = 525,037.80

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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.