Home / 711,996.58-982,546.96-385,302.02

Finding the Fourth Proportional to 711,996.58, 982,546.96 and 385,302.02

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Solution

The fourth proportional to 711,996.58, 982,546.96 and 385,302.02 is: 531,712.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,996.58 : 982,546.96 = 385,302.02 : x
  2. Step 2: Convert to fraction form
    711,996.58/982,546.96 = 385,302.02/x
  3. Step 3: Cross multiply
    711,996.58x = 982,546.96 × 385,302.02
  4. Step 4: Simplify right side
    711,996.58x = 378,577,323,279.31
  5. Step 5: Solve for x
    x = 378,577,323,279.31/711,996.58
  6. Step 6: Final answer
    x = 531,712.28

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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.