Home / 679,887.03-938,178.99-373,958.54

Finding the Fourth Proportional to 679,887.03, 938,178.99 and 373,958.54

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Solution

The fourth proportional to 679,887.03, 938,178.99 and 373,958.54 is: 516,026.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,887.03 : 938,178.99 = 373,958.54 : x
  2. Step 2: Convert to fraction form
    679,887.03/938,178.99 = 373,958.54/x
  3. Step 3: Cross multiply
    679,887.03x = 938,178.99 × 373,958.54
  4. Step 4: Simplify right side
    679,887.03x = 350,840,044,186.35
  5. Step 5: Solve for x
    x = 350,840,044,186.35/679,887.03
  6. Step 6: Final answer
    x = 516,026.97

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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.