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Finding the Fourth Proportional to 507,865, 700,853.70 and 281,545

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Solution

The fourth proportional to 507,865, 700,853.70 and 281,545 is: 388,532.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,865 : 700,853.70 = 281,545 : x
  2. Step 2: Convert to fraction form
    507,865/700,853.70 = 281,545/x
  3. Step 3: Cross multiply
    507,865x = 700,853.70 × 281,545
  4. Step 4: Simplify right side
    507,865x = 197,321,854,966.50
  5. Step 5: Solve for x
    x = 197,321,854,966.50/507,865
  6. Step 6: Final answer
    x = 388,532.10

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