Home / 687,059.79-1,030,106.78-302,626.19

Finding the Fourth Proportional to 687,059.79, 1,030,106.78 and 302,626.19

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Solution

The fourth proportional to 687,059.79, 1,030,106.78 and 302,626.19 is: 453,726.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,059.79 : 1,030,106.78 = 302,626.19 : x
  2. Step 2: Convert to fraction form
    687,059.79/1,030,106.78 = 302,626.19/x
  3. Step 3: Cross multiply
    687,059.79x = 1,030,106.78 × 302,626.19
  4. Step 4: Simplify right side
    687,059.79x = 311,737,292,321.55
  5. Step 5: Solve for x
    x = 311,737,292,321.55/687,059.79
  6. Step 6: Final answer
    x = 453,726.59

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