Home / 762,370.05-1,143,316.44-275,990.82

Finding the Fourth Proportional to 762,370.05, 1,143,316.44 and 275,990.82

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Solution

The fourth proportional to 762,370.05, 1,143,316.44 and 275,990.82 is: 413,899.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,370.05 : 1,143,316.44 = 275,990.82 : x
  2. Step 2: Convert to fraction form
    762,370.05/1,143,316.44 = 275,990.82/x
  3. Step 3: Cross multiply
    762,370.05x = 1,143,316.44 × 275,990.82
  4. Step 4: Simplify right side
    762,370.05x = 315,544,841,499.45
  5. Step 5: Solve for x
    x = 315,544,841,499.45/762,370.05
  6. Step 6: Final answer
    x = 413,899.84

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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.