Home / 712,192.46-982,949.82-421,967.42

Finding the Fourth Proportional to 712,192.46, 982,949.82 and 421,967.42

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Solution

The fourth proportional to 712,192.46, 982,949.82 and 421,967.42 is: 582,388.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,192.46 : 982,949.82 = 421,967.42 : x
  2. Step 2: Convert to fraction form
    712,192.46/982,949.82 = 421,967.42/x
  3. Step 3: Cross multiply
    712,192.46x = 982,949.82 × 421,967.42
  4. Step 4: Simplify right side
    712,192.46x = 414,772,797,425.03
  5. Step 5: Solve for x
    x = 414,772,797,425.03/712,192.46
  6. Step 6: Final answer
    x = 582,388.64

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1.5x scale

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.