Home / 988,451.46-1,482,115.50-389,088

Finding the Fourth Proportional to 988,451.46, 1,482,115.50 and 389,088

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Solution

The fourth proportional to 988,451.46, 1,482,115.50 and 389,088 is: 583,410.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,451.46 : 1,482,115.50 = 389,088 : x
  2. Step 2: Convert to fraction form
    988,451.46/1,482,115.50 = 389,088/x
  3. Step 3: Cross multiply
    988,451.46x = 1,482,115.50 × 389,088
  4. Step 4: Simplify right side
    988,451.46x = 576,673,355,664
  5. Step 5: Solve for x
    x = 576,673,355,664/988,451.46
  6. Step 6: Final answer
    x = 583,410.90

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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.