Home / 879,263.10-1,318,869.93-280,260.18

Finding the Fourth Proportional to 879,263.10, 1,318,869.93 and 280,260.18

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Solution

The fourth proportional to 879,263.10, 1,318,869.93 and 280,260.18 is: 420,382.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,263.10 : 1,318,869.93 = 280,260.18 : x
  2. Step 2: Convert to fraction form
    879,263.10/1,318,869.93 = 280,260.18/x
  3. Step 3: Cross multiply
    879,263.10x = 1,318,869.93 × 280,260.18
  4. Step 4: Simplify right side
    879,263.10x = 369,626,723,978.39
  5. Step 5: Solve for x
    x = 369,626,723,978.39/879,263.10
  6. Step 6: Final answer
    x = 420,382.39

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