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Finding the Fourth Proportional to 504,870.81, 696,710.51 and 278,516.25

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Solution

The fourth proportional to 504,870.81, 696,710.51 and 278,516.25 is: 384,346.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,870.81 : 696,710.51 = 278,516.25 : x
  2. Step 2: Convert to fraction form
    504,870.81/696,710.51 = 278,516.25/x
  3. Step 3: Cross multiply
    504,870.81x = 696,710.51 × 278,516.25
  4. Step 4: Simplify right side
    504,870.81x = 194,045,197,188.21
  5. Step 5: Solve for x
    x = 194,045,197,188.21/504,870.81
  6. Step 6: Final answer
    x = 384,346.24

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