Home / 781,628.62-1,172,232.01-276,123.04

Finding the Fourth Proportional to 781,628.62, 1,172,232.01 and 276,123.04

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Solution

The fourth proportional to 781,628.62, 1,172,232.01 and 276,123.04 is: 414,110.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,628.62 : 1,172,232.01 = 276,123.04 : x
  2. Step 2: Convert to fraction form
    781,628.62/1,172,232.01 = 276,123.04/x
  3. Step 3: Cross multiply
    781,628.62x = 1,172,232.01 × 276,123.04
  4. Step 4: Simplify right side
    781,628.62x = 323,680,266,186.51
  5. Step 5: Solve for x
    x = 323,680,266,186.51/781,628.62
  6. Step 6: Final answer
    x = 414,110.05

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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.