Home / 711,997.07-982,554.31-389,704.35

Finding the Fourth Proportional to 711,997.07, 982,554.31 and 389,704.35

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Solution

The fourth proportional to 711,997.07, 982,554.31 and 389,704.35 is: 537,791.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,997.07 : 982,554.31 = 389,704.35 : x
  2. Step 2: Convert to fraction form
    711,997.07/982,554.31 = 389,704.35/x
  3. Step 3: Cross multiply
    711,997.07x = 982,554.31 × 389,704.35
  4. Step 4: Simplify right side
    711,997.07x = 382,905,688,718.25
  5. Step 5: Solve for x
    x = 382,905,688,718.25/711,997.07
  6. Step 6: Final answer
    x = 537,791.10

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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.