Home / 988,379.04-1,480,874.40-663,558.72

Finding the Fourth Proportional to 988,379.04, 1,480,874.40 and 663,558.72

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Solution

The fourth proportional to 988,379.04, 1,480,874.40 and 663,558.72 is: 994,200.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,379.04 : 1,480,874.40 = 663,558.72 : x
  2. Step 2: Convert to fraction form
    988,379.04/1,480,874.40 = 663,558.72/x
  3. Step 3: Cross multiply
    988,379.04x = 1,480,874.40 × 663,558.72
  4. Step 4: Simplify right side
    988,379.04x = 982,647,121,344.77
  5. Step 5: Solve for x
    x = 982,647,121,344.77/988,379.04
  6. Step 6: Final answer
    x = 994,200.69

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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.