Home / 757,779.27-1,135,763.73-352,424.49

Finding the Fourth Proportional to 757,779.27, 1,135,763.73 and 352,424.49

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Solution

The fourth proportional to 757,779.27, 1,135,763.73 and 352,424.49 is: 528,215.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,779.27 : 1,135,763.73 = 352,424.49 : x
  2. Step 2: Convert to fraction form
    757,779.27/1,135,763.73 = 352,424.49/x
  3. Step 3: Cross multiply
    757,779.27x = 1,135,763.73 × 352,424.49
  4. Step 4: Simplify right side
    757,779.27x = 400,270,953,305.75
  5. Step 5: Solve for x
    x = 400,270,953,305.75/757,779.27
  6. Step 6: Final answer
    x = 528,215.76

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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.