Home / 807,732.21-1,114,620.36-445,135.83

Finding the Fourth Proportional to 807,732.21, 1,114,620.36 and 445,135.83

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Solution

The fourth proportional to 807,732.21, 1,114,620.36 and 445,135.83 is: 614,259.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,732.21 : 1,114,620.36 = 445,135.83 : x
  2. Step 2: Convert to fraction form
    807,732.21/1,114,620.36 = 445,135.83/x
  3. Step 3: Cross multiply
    807,732.21x = 1,114,620.36 × 445,135.83
  4. Step 4: Simplify right side
    807,732.21x = 496,157,459,083.50
  5. Step 5: Solve for x
    x = 496,157,459,083.50/807,732.21
  6. Step 6: Final answer
    x = 614,259.84

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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.