Home / 483,904.47-667,825.57-290,319.46

Finding the Fourth Proportional to 483,904.47, 667,825.57 and 290,319.46

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Solution

The fourth proportional to 483,904.47, 667,825.57 and 290,319.46 is: 400,663.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,904.47 : 667,825.57 = 290,319.46 : x
  2. Step 2: Convert to fraction form
    483,904.47/667,825.57 = 290,319.46/x
  3. Step 3: Cross multiply
    483,904.47x = 667,825.57 × 290,319.46
  4. Step 4: Simplify right side
    483,904.47x = 193,882,758,856.59
  5. Step 5: Solve for x
    x = 193,882,758,856.59/483,904.47
  6. Step 6: Final answer
    x = 400,663.29

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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.