Home / 579,864.81-800,563.36-379,010.73

Finding the Fourth Proportional to 579,864.81, 800,563.36 and 379,010.73

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Solution

The fourth proportional to 579,864.81, 800,563.36 and 379,010.73 is: 523,263.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,864.81 : 800,563.36 = 379,010.73 : x
  2. Step 2: Convert to fraction form
    579,864.81/800,563.36 = 379,010.73/x
  3. Step 3: Cross multiply
    579,864.81x = 800,563.36 × 379,010.73
  4. Step 4: Simplify right side
    579,864.81x = 303,422,103,484.85
  5. Step 5: Solve for x
    x = 303,422,103,484.85/579,864.81
  6. Step 6: Final answer
    x = 523,263.52

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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.