Home / 879,214.69-1,318,807.59-280,167.58

Finding the Fourth Proportional to 879,214.69, 1,318,807.59 and 280,167.58

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Solution

The fourth proportional to 879,214.69, 1,318,807.59 and 280,167.58 is: 420,246.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,214.69 : 1,318,807.59 = 280,167.58 : x
  2. Step 2: Convert to fraction form
    879,214.69/1,318,807.59 = 280,167.58/x
  3. Step 3: Cross multiply
    879,214.69x = 1,318,807.59 × 280,167.58
  4. Step 4: Simplify right side
    879,214.69x = 369,487,130,975.93
  5. Step 5: Solve for x
    x = 369,487,130,975.93/879,214.69
  6. Step 6: Final answer
    x = 420,246.77

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