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Finding the Fourth Proportional to 891,859.50, 1,230,759.86 and 483,950.96

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Solution

The fourth proportional to 891,859.50, 1,230,759.86 and 483,950.96 is: 667,848.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,859.50 : 1,230,759.86 = 483,950.96 : x
  2. Step 2: Convert to fraction form
    891,859.50/1,230,759.86 = 483,950.96/x
  3. Step 3: Cross multiply
    891,859.50x = 1,230,759.86 × 483,950.96
  4. Step 4: Simplify right side
    891,859.50x = 595,627,407,202.91
  5. Step 5: Solve for x
    x = 595,627,407,202.91/891,859.50
  6. Step 6: Final answer
    x = 667,848.92

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1.5x scale

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.