Home / 988,381.31-1,482,757.56-448,675.47

Finding the Fourth Proportional to 988,381.31, 1,482,757.56 and 448,675.47

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Solution

The fourth proportional to 988,381.31, 1,482,757.56 and 448,675.47 is: 673,097.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,381.31 : 1,482,757.56 = 448,675.47 : x
  2. Step 2: Convert to fraction form
    988,381.31/1,482,757.56 = 448,675.47/x
  3. Step 3: Cross multiply
    988,381.31x = 1,482,757.56 × 448,675.47
  4. Step 4: Simplify right side
    988,381.31x = 665,276,945,129.05
  5. Step 5: Solve for x
    x = 665,276,945,129.05/988,381.31
  6. Step 6: Final answer
    x = 673,097.46

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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.