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Finding the Fourth Proportional to 519,746.89, 717,243.13 and 290,307.41

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Solution

The fourth proportional to 519,746.89, 717,243.13 and 290,307.41 is: 400,620.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,746.89 : 717,243.13 = 290,307.41 : x
  2. Step 2: Convert to fraction form
    519,746.89/717,243.13 = 290,307.41/x
  3. Step 3: Cross multiply
    519,746.89x = 717,243.13 × 290,307.41
  4. Step 4: Simplify right side
    519,746.89x = 208,220,996,477.93
  5. Step 5: Solve for x
    x = 208,220,996,477.93/519,746.89
  6. Step 6: Final answer
    x = 400,620.00

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