Home / 888,821.66-1,226,573.09-501,718.55

Finding the Fourth Proportional to 888,821.66, 1,226,573.09 and 501,718.55

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Solution

The fourth proportional to 888,821.66, 1,226,573.09 and 501,718.55 is: 692,371.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,821.66 : 1,226,573.09 = 501,718.55 : x
  2. Step 2: Convert to fraction form
    888,821.66/1,226,573.09 = 501,718.55/x
  3. Step 3: Cross multiply
    888,821.66x = 1,226,573.09 × 501,718.55
  4. Step 4: Simplify right side
    888,821.66x = 615,394,463,542.36
  5. Step 5: Solve for x
    x = 615,394,463,542.36/888,821.66
  6. Step 6: Final answer
    x = 692,371.14

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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.