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Finding the Fourth Proportional to 710,887.41, 981,048.47 and 388,590.57

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Solution

The fourth proportional to 710,887.41, 981,048.47 and 388,590.57 is: 536,268.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,887.41 : 981,048.47 = 388,590.57 : x
  2. Step 2: Convert to fraction form
    710,887.41/981,048.47 = 388,590.57/x
  3. Step 3: Cross multiply
    710,887.41x = 981,048.47 × 388,590.57
  4. Step 4: Simplify right side
    710,887.41x = 381,226,182,211.98
  5. Step 5: Solve for x
    x = 381,226,182,211.98/710,887.41
  6. Step 6: Final answer
    x = 536,268.02

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