Home / 460,516.28-690,931.26-280,961.19

Finding the Fourth Proportional to 460,516.28, 690,931.26 and 280,961.19

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Solution

The fourth proportional to 460,516.28, 690,931.26 and 280,961.19 is: 421,537.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,516.28 : 690,931.26 = 280,961.19 : x
  2. Step 2: Convert to fraction form
    460,516.28/690,931.26 = 280,961.19/x
  3. Step 3: Cross multiply
    460,516.28x = 690,931.26 × 280,961.19
  4. Step 4: Simplify right side
    460,516.28x = 194,124,869,017.80
  5. Step 5: Solve for x
    x = 194,124,869,017.80/460,516.28
  6. Step 6: Final answer
    x = 421,537.48

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