Home / 694,375.84-1,041,563.76-658,917.28

Finding the Fourth Proportional to 694,375.84, 1,041,563.76 and 658,917.28

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Solution

The fourth proportional to 694,375.84, 1,041,563.76 and 658,917.28 is: 988,375.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,375.84 : 1,041,563.76 = 658,917.28 : x
  2. Step 2: Convert to fraction form
    694,375.84/1,041,563.76 = 658,917.28/x
  3. Step 3: Cross multiply
    694,375.84x = 1,041,563.76 × 658,917.28
  4. Step 4: Simplify right side
    694,375.84x = 686,304,359,685.77
  5. Step 5: Solve for x
    x = 686,304,359,685.77/694,375.84
  6. Step 6: Final answer
    x = 988,375.92

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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.