Home / 565,837.55-782,911.97-493,391.50

Finding the Fourth Proportional to 565,837.55, 782,911.97 and 493,391.50

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Solution

The fourth proportional to 565,837.55, 782,911.97 and 493,391.50 is: 682,673.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,837.55 : 782,911.97 = 493,391.50 : x
  2. Step 2: Convert to fraction form
    565,837.55/782,911.97 = 493,391.50/x
  3. Step 3: Cross multiply
    565,837.55x = 782,911.97 × 493,391.50
  4. Step 4: Simplify right side
    565,837.55x = 386,282,115,851.44
  5. Step 5: Solve for x
    x = 386,282,115,851.44/565,837.55
  6. Step 6: Final answer
    x = 682,673.18

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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.