Home / 765,962.50-1,148,943.75-204,982.42

Finding the Fourth Proportional to 765,962.50, 1,148,943.75 and 204,982.42

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Solution

The fourth proportional to 765,962.50, 1,148,943.75 and 204,982.42 is: 307,473.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,962.50 : 1,148,943.75 = 204,982.42 : x
  2. Step 2: Convert to fraction form
    765,962.50/1,148,943.75 = 204,982.42/x
  3. Step 3: Cross multiply
    765,962.50x = 1,148,943.75 × 204,982.42
  4. Step 4: Simplify right side
    765,962.50x = 235,513,270,318.88
  5. Step 5: Solve for x
    x = 235,513,270,318.88/765,962.50
  6. Step 6: Final answer
    x = 307,473.63

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Double scale
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Similar ratio
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1.5x scale

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.