Home / 855,157.10-1,283,107.77-536,040.32

Finding the Fourth Proportional to 855,157.10, 1,283,107.77 and 536,040.32

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Solution

The fourth proportional to 855,157.10, 1,283,107.77 and 536,040.32 is: 804,293.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,157.10 : 1,283,107.77 = 536,040.32 : x
  2. Step 2: Convert to fraction form
    855,157.10/1,283,107.77 = 536,040.32/x
  3. Step 3: Cross multiply
    855,157.10x = 1,283,107.77 × 536,040.32
  4. Step 4: Simplify right side
    855,157.10x = 687,797,493,209.75
  5. Step 5: Solve for x
    x = 687,797,493,209.75/855,157.10
  6. Step 6: Final answer
    x = 804,293.73

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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.