Home / 825,350.81-1,237,770.46-398,621.35

Finding the Fourth Proportional to 825,350.81, 1,237,770.46 and 398,621.35

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Solution

The fourth proportional to 825,350.81, 1,237,770.46 and 398,621.35 is: 597,808.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,350.81 : 1,237,770.46 = 398,621.35 : x
  2. Step 2: Convert to fraction form
    825,350.81/1,237,770.46 = 398,621.35/x
  3. Step 3: Cross multiply
    825,350.81x = 1,237,770.46 × 398,621.35
  4. Step 4: Simplify right side
    825,350.81x = 493,401,723,573.36
  5. Step 5: Solve for x
    x = 493,401,723,573.36/825,350.81
  6. Step 6: Final answer
    x = 597,808.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.