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Finding the Fourth Proportional to 648,705.60, 974,224.80 and 471,412.80

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Solution

The fourth proportional to 648,705.60, 974,224.80 and 471,412.80 is: 707,966.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,705.60 : 974,224.80 = 471,412.80 : x
  2. Step 2: Convert to fraction form
    648,705.60/974,224.80 = 471,412.80/x
  3. Step 3: Cross multiply
    648,705.60x = 974,224.80 × 471,412.80
  4. Step 4: Simplify right side
    648,705.60x = 459,262,040,797.44
  5. Step 5: Solve for x
    x = 459,262,040,797.44/648,705.60
  6. Step 6: Final answer
    x = 707,966.82

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