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Finding the Fourth Proportional to 586,712.80, 880,069.20 and 383,759.20

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Solution

The fourth proportional to 586,712.80, 880,069.20 and 383,759.20 is: 575,638.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,712.80 : 880,069.20 = 383,759.20 : x
  2. Step 2: Convert to fraction form
    586,712.80/880,069.20 = 383,759.20/x
  3. Step 3: Cross multiply
    586,712.80x = 880,069.20 × 383,759.20
  4. Step 4: Simplify right side
    586,712.80x = 337,734,652,136.64
  5. Step 5: Solve for x
    x = 337,734,652,136.64/586,712.80
  6. Step 6: Final answer
    x = 575,638.80

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