Home / 988,462.92-1,482,131.82-389,099.04

Finding the Fourth Proportional to 988,462.92, 1,482,131.82 and 389,099.04

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Solution

The fourth proportional to 988,462.92, 1,482,131.82 and 389,099.04 is: 583,427.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,462.92 : 1,482,131.82 = 389,099.04 : x
  2. Step 2: Convert to fraction form
    988,462.92/1,482,131.82 = 389,099.04/x
  3. Step 3: Cross multiply
    988,462.92x = 1,482,131.82 × 389,099.04
  4. Step 4: Simplify right side
    988,462.92x = 576,696,068,315.45
  5. Step 5: Solve for x
    x = 576,696,068,315.45/988,462.92
  6. Step 6: Final answer
    x = 583,427.11

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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.