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Finding the Fourth Proportional to 487,686.78, 731,592.47 and 188,252.99

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Solution

The fourth proportional to 487,686.78, 731,592.47 and 188,252.99 is: 282,403.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,686.78 : 731,592.47 = 188,252.99 : x
  2. Step 2: Convert to fraction form
    487,686.78/731,592.47 = 188,252.99/x
  3. Step 3: Cross multiply
    487,686.78x = 731,592.47 × 188,252.99
  4. Step 4: Simplify right side
    487,686.78x = 137,724,465,339.76
  5. Step 5: Solve for x
    x = 137,724,465,339.76/487,686.78
  6. Step 6: Final answer
    x = 282,403.52

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