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Finding the Fourth Proportional to 483,058.80, 724,588.20 and 304,988.40

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Solution

The fourth proportional to 483,058.80, 724,588.20 and 304,988.40 is: 457,482.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,058.80 : 724,588.20 = 304,988.40 : x
  2. Step 2: Convert to fraction form
    483,058.80/724,588.20 = 304,988.40/x
  3. Step 3: Cross multiply
    483,058.80x = 724,588.20 × 304,988.40
  4. Step 4: Simplify right side
    483,058.80x = 220,990,995,776.88
  5. Step 5: Solve for x
    x = 220,990,995,776.88/483,058.80
  6. Step 6: Final answer
    x = 457,482.60

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