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Finding the Fourth Proportional to 648,784.40, 973,176.60 and 470,454.80

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Solution

The fourth proportional to 648,784.40, 973,176.60 and 470,454.80 is: 705,682.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,784.40 : 973,176.60 = 470,454.80 : x
  2. Step 2: Convert to fraction form
    648,784.40/973,176.60 = 470,454.80/x
  3. Step 3: Cross multiply
    648,784.40x = 973,176.60 × 470,454.80
  4. Step 4: Simplify right side
    648,784.40x = 457,835,602,717.68
  5. Step 5: Solve for x
    x = 457,835,602,717.68/648,784.40
  6. Step 6: Final answer
    x = 705,682.20

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