Home / 862,922.28-1,190,800.25-500,361.42

Finding the Fourth Proportional to 862,922.28, 1,190,800.25 and 500,361.42

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Solution

The fourth proportional to 862,922.28, 1,190,800.25 and 500,361.42 is: 690,479.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,922.28 : 1,190,800.25 = 500,361.42 : x
  2. Step 2: Convert to fraction form
    862,922.28/1,190,800.25 = 500,361.42/x
  3. Step 3: Cross multiply
    862,922.28x = 1,190,800.25 × 500,361.42
  4. Step 4: Simplify right side
    862,922.28x = 595,830,501,524.55
  5. Step 5: Solve for x
    x = 595,830,501,524.55/862,922.28
  6. Step 6: Final answer
    x = 690,479.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.