Home / 686,812.80-1,030,219.20-637,046.40

Finding the Fourth Proportional to 686,812.80, 1,030,219.20 and 637,046.40

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Solution

The fourth proportional to 686,812.80, 1,030,219.20 and 637,046.40 is: 955,569.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,812.80 : 1,030,219.20 = 637,046.40 : x
  2. Step 2: Convert to fraction form
    686,812.80/1,030,219.20 = 637,046.40/x
  3. Step 3: Cross multiply
    686,812.80x = 1,030,219.20 × 637,046.40
  4. Step 4: Simplify right side
    686,812.80x = 656,297,432,570.88
  5. Step 5: Solve for x
    x = 656,297,432,570.88/686,812.80
  6. Step 6: Final answer
    x = 955,569.60

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