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Finding the Fourth Proportional to 630,417.20, 945,625.80 and 314,922.80

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Solution

The fourth proportional to 630,417.20, 945,625.80 and 314,922.80 is: 472,384.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,417.20 : 945,625.80 = 314,922.80 : x
  2. Step 2: Convert to fraction form
    630,417.20/945,625.80 = 314,922.80/x
  3. Step 3: Cross multiply
    630,417.20x = 945,625.80 × 314,922.80
  4. Step 4: Simplify right side
    630,417.20x = 297,799,124,688.24
  5. Step 5: Solve for x
    x = 297,799,124,688.24/630,417.20
  6. Step 6: Final answer
    x = 472,384.20

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