Home / 688,412.93-1,032,218.44-267,196.73

Finding the Fourth Proportional to 688,412.93, 1,032,218.44 and 267,196.73

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Solution

The fourth proportional to 688,412.93, 1,032,218.44 and 267,196.73 is: 400,639.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,412.93 : 1,032,218.44 = 267,196.73 : x
  2. Step 2: Convert to fraction form
    688,412.93/1,032,218.44 = 267,196.73/x
  3. Step 3: Cross multiply
    688,412.93x = 1,032,218.44 × 267,196.73
  4. Step 4: Simplify right side
    688,412.93x = 275,805,385,984.62
  5. Step 5: Solve for x
    x = 275,805,385,984.62/688,412.93
  6. Step 6: Final answer
    x = 400,639.47

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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.