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Finding the Fourth Proportional to 517,493.03, 714,140.29 and 288,045.40

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Solution

The fourth proportional to 517,493.03, 714,140.29 and 288,045.40 is: 397,502.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,493.03 : 714,140.29 = 288,045.40 : x
  2. Step 2: Convert to fraction form
    517,493.03/714,140.29 = 288,045.40/x
  3. Step 3: Cross multiply
    517,493.03x = 714,140.29 × 288,045.40
  4. Step 4: Simplify right side
    517,493.03x = 205,704,824,048.94
  5. Step 5: Solve for x
    x = 205,704,824,048.94/517,493.03
  6. Step 6: Final answer
    x = 397,502.60

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