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Finding the Fourth Proportional to 584,730.80, 877,096.20 and 285,403.40

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Solution

The fourth proportional to 584,730.80, 877,096.20 and 285,403.40 is: 428,105.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,730.80 : 877,096.20 = 285,403.40 : x
  2. Step 2: Convert to fraction form
    584,730.80/877,096.20 = 285,403.40/x
  3. Step 3: Cross multiply
    584,730.80x = 877,096.20 × 285,403.40
  4. Step 4: Simplify right side
    584,730.80x = 250,326,237,607.08
  5. Step 5: Solve for x
    x = 250,326,237,607.08/584,730.80
  6. Step 6: Final answer
    x = 428,105.10

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