Home / 747,939.28-1,039,123.97-738,971.21

Finding the Fourth Proportional to 747,939.28, 1,039,123.97 and 738,971.21

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Solution

The fourth proportional to 747,939.28, 1,039,123.97 and 738,971.21 is: 1,026,664.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,939.28 : 1,039,123.97 = 738,971.21 : x
  2. Step 2: Convert to fraction form
    747,939.28/1,039,123.97 = 738,971.21/x
  3. Step 3: Cross multiply
    747,939.28x = 1,039,123.97 × 738,971.21
  4. Step 4: Simplify right side
    747,939.28x = 767,882,697,450.90
  5. Step 5: Solve for x
    x = 767,882,697,450.90/747,939.28
  6. Step 6: Final answer
    x = 1,026,664.49

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.