Home / 837,720.87-1,255,706.38-410,665.38

Finding the Fourth Proportional to 837,720.87, 1,255,706.38 and 410,665.38

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Solution

The fourth proportional to 837,720.87, 1,255,706.38 and 410,665.38 is: 615,569.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,720.87 : 1,255,706.38 = 410,665.38 : x
  2. Step 2: Convert to fraction form
    837,720.87/1,255,706.38 = 410,665.38/x
  3. Step 3: Cross multiply
    837,720.87x = 1,255,706.38 × 410,665.38
  4. Step 4: Simplify right side
    837,720.87x = 515,675,133,515.56
  5. Step 5: Solve for x
    x = 515,675,133,515.56/837,720.87
  6. Step 6: Final answer
    x = 615,569.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.