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Finding the Fourth Proportional to 470,039.73, 705,176.23 and 220,430.13

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Solution

The fourth proportional to 470,039.73, 705,176.23 and 220,430.13 is: 330,699.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,039.73 : 705,176.23 = 220,430.13 : x
  2. Step 2: Convert to fraction form
    470,039.73/705,176.23 = 220,430.13/x
  3. Step 3: Cross multiply
    470,039.73x = 705,176.23 × 220,430.13
  4. Step 4: Simplify right side
    470,039.73x = 155,442,088,051.81
  5. Step 5: Solve for x
    x = 155,442,088,051.81/470,039.73
  6. Step 6: Final answer
    x = 330,699.89

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