Home / 960,831.72-1,441,423.08-321,074.82

Finding the Fourth Proportional to 960,831.72, 1,441,423.08 and 321,074.82

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Solution

The fourth proportional to 960,831.72, 1,441,423.08 and 321,074.82 is: 481,670.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,831.72 : 1,441,423.08 = 321,074.82 : x
  2. Step 2: Convert to fraction form
    960,831.72/1,441,423.08 = 321,074.82/x
  3. Step 3: Cross multiply
    960,831.72x = 1,441,423.08 × 321,074.82
  4. Step 4: Simplify right side
    960,831.72x = 462,804,655,954.85
  5. Step 5: Solve for x
    x = 462,804,655,954.85/960,831.72
  6. Step 6: Final answer
    x = 481,670.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.