Home / 862,202.42-1,189,839.67-499,836.34

Finding the Fourth Proportional to 862,202.42, 1,189,839.67 and 499,836.34

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Solution

The fourth proportional to 862,202.42, 1,189,839.67 and 499,836.34 is: 689,774.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,202.42 : 1,189,839.67 = 499,836.34 : x
  2. Step 2: Convert to fraction form
    862,202.42/1,189,839.67 = 499,836.34/x
  3. Step 3: Cross multiply
    862,202.42x = 1,189,839.67 × 499,836.34
  4. Step 4: Simplify right side
    862,202.42x = 594,725,105,839.61
  5. Step 5: Solve for x
    x = 594,725,105,839.61/862,202.42
  6. Step 6: Final answer
    x = 689,774.34

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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.