Home / 891,100.86-1,336,117.51-283,626.78

Finding the Fourth Proportional to 891,100.86, 1,336,117.51 and 283,626.78

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Solution

The fourth proportional to 891,100.86, 1,336,117.51 and 283,626.78 is: 425,270.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,100.86 : 1,336,117.51 = 283,626.78 : x
  2. Step 2: Convert to fraction form
    891,100.86/1,336,117.51 = 283,626.78/x
  3. Step 3: Cross multiply
    891,100.86x = 1,336,117.51 × 283,626.78
  4. Step 4: Simplify right side
    891,100.86x = 378,958,707,062.92
  5. Step 5: Solve for x
    x = 378,958,707,062.92/891,100.86
  6. Step 6: Final answer
    x = 425,270.27

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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.