Home / 403,780.05-557,118.96-265,944.38

Finding the Fourth Proportional to 403,780.05, 557,118.96 and 265,944.38

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Solution

The fourth proportional to 403,780.05, 557,118.96 and 265,944.38 is: 366,939.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,780.05 : 557,118.96 = 265,944.38 : x
  2. Step 2: Convert to fraction form
    403,780.05/557,118.96 = 265,944.38/x
  3. Step 3: Cross multiply
    403,780.05x = 557,118.96 × 265,944.38
  4. Step 4: Simplify right side
    403,780.05x = 148,162,652,620.56
  5. Step 5: Solve for x
    x = 148,162,652,620.56/403,780.05
  6. Step 6: Final answer
    x = 366,939.01

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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.