Home / 807,469.87-1,210,062.27-447,798.94

Finding the Fourth Proportional to 807,469.87, 1,210,062.27 and 447,798.94

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Solution

The fourth proportional to 807,469.87, 1,210,062.27 and 447,798.94 is: 671,064.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,469.87 : 1,210,062.27 = 447,798.94 : x
  2. Step 2: Convert to fraction form
    807,469.87/1,210,062.27 = 447,798.94/x
  3. Step 3: Cross multiply
    807,469.87x = 1,210,062.27 × 447,798.94
  4. Step 4: Simplify right side
    807,469.87x = 541,864,601,839.99
  5. Step 5: Solve for x
    x = 541,864,601,839.99/807,469.87
  6. Step 6: Final answer
    x = 671,064.79

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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.