Home / 807,561.10-1,211,050.05-408,069.10

Finding the Fourth Proportional to 807,561.10, 1,211,050.05 and 408,069.10

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Solution

The fourth proportional to 807,561.10, 1,211,050.05 and 408,069.10 is: 611,956.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,561.10 : 1,211,050.05 = 408,069.10 : x
  2. Step 2: Convert to fraction form
    807,561.10/1,211,050.05 = 408,069.10/x
  3. Step 3: Cross multiply
    807,561.10x = 1,211,050.05 × 408,069.10
  4. Step 4: Simplify right side
    807,561.10x = 494,192,103,958.46
  5. Step 5: Solve for x
    x = 494,192,103,958.46/807,561.10
  6. Step 6: Final answer
    x = 611,956.30

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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.