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Finding the Fourth Proportional to 559,603.92, 772,229.40 and 317,885.76

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Solution

The fourth proportional to 559,603.92, 772,229.40 and 317,885.76 is: 438,668.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,603.92 : 772,229.40 = 317,885.76 : x
  2. Step 2: Convert to fraction form
    559,603.92/772,229.40 = 317,885.76/x
  3. Step 3: Cross multiply
    559,603.92x = 772,229.40 × 317,885.76
  4. Step 4: Simplify right side
    559,603.92x = 245,480,729,713.34
  5. Step 5: Solve for x
    x = 245,480,729,713.34/559,603.92
  6. Step 6: Final answer
    x = 438,668.71

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