Home / 674,634.64-930,987.24-372,822.16

Finding the Fourth Proportional to 674,634.64, 930,987.24 and 372,822.16

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Solution

The fourth proportional to 674,634.64, 930,987.24 and 372,822.16 is: 514,489.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,634.64 : 930,987.24 = 372,822.16 : x
  2. Step 2: Convert to fraction form
    674,634.64/930,987.24 = 372,822.16/x
  3. Step 3: Cross multiply
    674,634.64x = 930,987.24 × 372,822.16
  4. Step 4: Simplify right side
    674,634.64x = 347,092,673,749.24
  5. Step 5: Solve for x
    x = 347,092,673,749.24/674,634.64
  6. Step 6: Final answer
    x = 514,489.85

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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.