Home / 695,829.58-960,255.09-405,434.86

Finding the Fourth Proportional to 695,829.58, 960,255.09 and 405,434.86

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Solution

The fourth proportional to 695,829.58, 960,255.09 and 405,434.86 is: 559,506.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,829.58 : 960,255.09 = 405,434.86 : x
  2. Step 2: Convert to fraction form
    695,829.58/960,255.09 = 405,434.86/x
  3. Step 3: Cross multiply
    695,829.58x = 960,255.09 × 405,434.86
  4. Step 4: Simplify right side
    695,829.58x = 389,320,887,978.44
  5. Step 5: Solve for x
    x = 389,320,887,978.44/695,829.58
  6. Step 6: Final answer
    x = 559,506.09

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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.