Home / 837,406.89-1,255,634.66-571,489.56

Finding the Fourth Proportional to 837,406.89, 1,255,634.66 and 571,489.56

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Solution

The fourth proportional to 837,406.89, 1,255,634.66 and 571,489.56 is: 856,909.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,406.89 : 1,255,634.66 = 571,489.56 : x
  2. Step 2: Convert to fraction form
    837,406.89/1,255,634.66 = 571,489.56/x
  3. Step 3: Cross multiply
    837,406.89x = 1,255,634.66 × 571,489.56
  4. Step 4: Simplify right side
    837,406.89x = 717,582,100,792.87
  5. Step 5: Solve for x
    x = 717,582,100,792.87/837,406.89
  6. Step 6: Final answer
    x = 856,909.72

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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.