Home / 810,834.15-1,118,765.49-484,083.57

Finding the Fourth Proportional to 810,834.15, 1,118,765.49 and 484,083.57

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Solution

The fourth proportional to 810,834.15, 1,118,765.49 and 484,083.57 is: 667,924.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,834.15 : 1,118,765.49 = 484,083.57 : x
  2. Step 2: Convert to fraction form
    810,834.15/1,118,765.49 = 484,083.57/x
  3. Step 3: Cross multiply
    810,834.15x = 1,118,765.49 × 484,083.57
  4. Step 4: Simplify right side
    810,834.15x = 541,575,986,986.42
  5. Step 5: Solve for x
    x = 541,575,986,986.42/810,834.15
  6. Step 6: Final answer
    x = 667,924.49

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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.