Home / 725,984.60-1,001,817.54-403,687.77

Finding the Fourth Proportional to 725,984.60, 1,001,817.54 and 403,687.77

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Solution

The fourth proportional to 725,984.60, 1,001,817.54 and 403,687.77 is: 557,066.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,984.60 : 1,001,817.54 = 403,687.77 : x
  2. Step 2: Convert to fraction form
    725,984.60/1,001,817.54 = 403,687.77/x
  3. Step 3: Cross multiply
    725,984.60x = 1,001,817.54 × 403,687.77
  4. Step 4: Simplify right side
    725,984.60x = 404,421,494,500.88
  5. Step 5: Solve for x
    x = 404,421,494,500.88/725,984.60
  6. Step 6: Final answer
    x = 557,066.22

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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.