Home / 807,057.39-1,209,958.57-522,145.96

Finding the Fourth Proportional to 807,057.39, 1,209,958.57 and 522,145.96

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Solution

The fourth proportional to 807,057.39, 1,209,958.57 and 522,145.96 is: 782,812.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,057.39 : 1,209,958.57 = 522,145.96 : x
  2. Step 2: Convert to fraction form
    807,057.39/1,209,958.57 = 522,145.96/x
  3. Step 3: Cross multiply
    807,057.39x = 1,209,958.57 × 522,145.96
  4. Step 4: Simplify right side
    807,057.39x = 631,774,979,092.88
  5. Step 5: Solve for x
    x = 631,774,979,092.88/807,057.39
  6. Step 6: Final answer
    x = 782,812.95

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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.