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Finding the Fourth Proportional to 586,907.20, 879,583.20 and 520,033.60

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Solution

The fourth proportional to 586,907.20, 879,583.20 and 520,033.60 is: 779,361.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,907.20 : 879,583.20 = 520,033.60 : x
  2. Step 2: Convert to fraction form
    586,907.20/879,583.20 = 520,033.60/x
  3. Step 3: Cross multiply
    586,907.20x = 879,583.20 × 520,033.60
  4. Step 4: Simplify right side
    586,907.20x = 457,412,817,995.52
  5. Step 5: Solve for x
    x = 457,412,817,995.52/586,907.20
  6. Step 6: Final answer
    x = 779,361.40

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