Home / 873,142.49-1,309,872.38-360,808.87

Finding the Fourth Proportional to 873,142.49, 1,309,872.38 and 360,808.87

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Solution

The fourth proportional to 873,142.49, 1,309,872.38 and 360,808.87 is: 541,278.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,142.49 : 1,309,872.38 = 360,808.87 : x
  2. Step 2: Convert to fraction form
    873,142.49/1,309,872.38 = 360,808.87/x
  3. Step 3: Cross multiply
    873,142.49x = 1,309,872.38 × 360,808.87
  4. Step 4: Simplify right side
    873,142.49x = 472,613,571,597.92
  5. Step 5: Solve for x
    x = 472,613,571,597.92/873,142.49
  6. Step 6: Final answer
    x = 541,278.86

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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.