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Finding the Fourth Proportional to 478,752.72, 718,103.16 and 146,328.72

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Solution

The fourth proportional to 478,752.72, 718,103.16 and 146,328.72 is: 219,485.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,752.72 : 718,103.16 = 146,328.72 : x
  2. Step 2: Convert to fraction form
    478,752.72/718,103.16 = 146,328.72/x
  3. Step 3: Cross multiply
    478,752.72x = 718,103.16 × 146,328.72
  4. Step 4: Simplify right side
    478,752.72x = 105,079,116,230.76
  5. Step 5: Solve for x
    x = 105,079,116,230.76/478,752.72
  6. Step 6: Final answer
    x = 219,485.16

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