Home / 711,782.07-982,256.58-385,094.01

Finding the Fourth Proportional to 711,782.07, 982,256.58 and 385,094.01

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Solution

The fourth proportional to 711,782.07, 982,256.58 and 385,094.01 is: 531,428.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,782.07 : 982,256.58 = 385,094.01 : x
  2. Step 2: Convert to fraction form
    711,782.07/982,256.58 = 385,094.01/x
  3. Step 3: Cross multiply
    711,782.07x = 982,256.58 × 385,094.01
  4. Step 4: Simplify right side
    711,782.07x = 378,261,125,241.09
  5. Step 5: Solve for x
    x = 378,261,125,241.09/711,782.07
  6. Step 6: Final answer
    x = 531,428.29

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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.