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Finding the Fourth Proportional to 639,952.84, 960,072.43 and 240,597.07

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Solution

The fourth proportional to 639,952.84, 960,072.43 and 240,597.07 is: 360,949.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,952.84 : 960,072.43 = 240,597.07 : x
  2. Step 2: Convert to fraction form
    639,952.84/960,072.43 = 240,597.07/x
  3. Step 3: Cross multiply
    639,952.84x = 960,072.43 × 240,597.07
  4. Step 4: Simplify right side
    639,952.84x = 230,990,613,645.78
  5. Step 5: Solve for x
    x = 230,990,613,645.78/639,952.84
  6. Step 6: Final answer
    x = 360,949.43

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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.