Home / 877,046.13-1,315,569.24-212,198.13

Finding the Fourth Proportional to 877,046.13, 1,315,569.24 and 212,198.13

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Solution

The fourth proportional to 877,046.13, 1,315,569.24 and 212,198.13 is: 318,297.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,046.13 : 1,315,569.24 = 212,198.13 : x
  2. Step 2: Convert to fraction form
    877,046.13/1,315,569.24 = 212,198.13/x
  3. Step 3: Cross multiply
    877,046.13x = 1,315,569.24 × 212,198.13
  4. Step 4: Simplify right side
    877,046.13x = 279,161,326,035.68
  5. Step 5: Solve for x
    x = 279,161,326,035.68/877,046.13
  6. Step 6: Final answer
    x = 318,297.20

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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.