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Finding the Fourth Proportional to 623,201.80, 934,802.70 and 385,774.60

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Solution

The fourth proportional to 623,201.80, 934,802.70 and 385,774.60 is: 578,661.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,201.80 : 934,802.70 = 385,774.60 : x
  2. Step 2: Convert to fraction form
    623,201.80/934,802.70 = 385,774.60/x
  3. Step 3: Cross multiply
    623,201.80x = 934,802.70 × 385,774.60
  4. Step 4: Simplify right side
    623,201.80x = 360,623,137,671.42
  5. Step 5: Solve for x
    x = 360,623,137,671.42/623,201.80
  6. Step 6: Final answer
    x = 578,661.90

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