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Finding the Fourth Proportional to 528,458.20, 729,461.43 and 313,598.25

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Solution

The fourth proportional to 528,458.20, 729,461.43 and 313,598.25 is: 432,877.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,458.20 : 729,461.43 = 313,598.25 : x
  2. Step 2: Convert to fraction form
    528,458.20/729,461.43 = 313,598.25/x
  3. Step 3: Cross multiply
    528,458.20x = 729,461.43 × 313,598.25
  4. Step 4: Simplify right side
    528,458.20x = 228,757,827,890.50
  5. Step 5: Solve for x
    x = 228,757,827,890.50/528,458.20
  6. Step 6: Final answer
    x = 432,877.81

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