Home / 729,452.62-1,006,524.21-407,162.62

Finding the Fourth Proportional to 729,452.62, 1,006,524.21 and 407,162.62

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Solution

The fourth proportional to 729,452.62, 1,006,524.21 and 407,162.62 is: 561,817.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,452.62 : 1,006,524.21 = 407,162.62 : x
  2. Step 2: Convert to fraction form
    729,452.62/1,006,524.21 = 407,162.62/x
  3. Step 3: Cross multiply
    729,452.62x = 1,006,524.21 × 407,162.62
  4. Step 4: Simplify right side
    729,452.62x = 409,819,034,437.03
  5. Step 5: Solve for x
    x = 409,819,034,437.03/729,452.62
  6. Step 6: Final answer
    x = 561,817.21

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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.