Home / 759,650.56-1,048,458.01-488,057.96

Finding the Fourth Proportional to 759,650.56, 1,048,458.01 and 488,057.96

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Solution

The fourth proportional to 759,650.56, 1,048,458.01 and 488,057.96 is: 673,610.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,650.56 : 1,048,458.01 = 488,057.96 : x
  2. Step 2: Convert to fraction form
    759,650.56/1,048,458.01 = 488,057.96/x
  3. Step 3: Cross multiply
    759,650.56x = 1,048,458.01 × 488,057.96
  4. Step 4: Simplify right side
    759,650.56x = 511,708,277,506.26
  5. Step 5: Solve for x
    x = 511,708,277,506.26/759,650.56
  6. Step 6: Final answer
    x = 673,610.09

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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.