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Finding the Fourth Proportional to 560,126.56, 772,966.86 and 305,477.68

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Solution

The fourth proportional to 560,126.56, 772,966.86 and 305,477.68 is: 421,554.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,126.56 : 772,966.86 = 305,477.68 : x
  2. Step 2: Convert to fraction form
    560,126.56/772,966.86 = 305,477.68/x
  3. Step 3: Cross multiply
    560,126.56x = 772,966.86 × 305,477.68
  4. Step 4: Simplify right side
    560,126.56x = 236,124,123,109.69
  5. Step 5: Solve for x
    x = 236,124,123,109.69/560,126.56
  6. Step 6: Final answer
    x = 421,554.95

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