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Finding the Fourth Proportional to 513,335.02, 708,406.74 and 286,980.52

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Solution

The fourth proportional to 513,335.02, 708,406.74 and 286,980.52 is: 396,035.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,335.02 : 708,406.74 = 286,980.52 : x
  2. Step 2: Convert to fraction form
    513,335.02/708,406.74 = 286,980.52/x
  3. Step 3: Cross multiply
    513,335.02x = 708,406.74 × 286,980.52
  4. Step 4: Simplify right side
    513,335.02x = 203,298,934,616.71
  5. Step 5: Solve for x
    x = 203,298,934,616.71/513,335.02
  6. Step 6: Final answer
    x = 396,035.58

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