Home / 807,865.21-1,114,803.29-445,269.12

Finding the Fourth Proportional to 807,865.21, 1,114,803.29 and 445,269.12

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Solution

The fourth proportional to 807,865.21, 1,114,803.29 and 445,269.12 is: 614,443.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,865.21 : 1,114,803.29 = 445,269.12 : x
  2. Step 2: Convert to fraction form
    807,865.21/1,114,803.29 = 445,269.12/x
  3. Step 3: Cross multiply
    807,865.21x = 1,114,803.29 × 445,269.12
  4. Step 4: Simplify right side
    807,865.21x = 496,387,475,450.56
  5. Step 5: Solve for x
    x = 496,387,475,450.56/807,865.21
  6. Step 6: Final answer
    x = 614,443.44

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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.