Home / 993,785.42-1,490,821.61-488,375.19

Finding the Fourth Proportional to 993,785.42, 1,490,821.61 and 488,375.19

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Solution

The fourth proportional to 993,785.42, 1,490,821.61 and 488,375.19 is: 732,633.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,785.42 : 1,490,821.61 = 488,375.19 : x
  2. Step 2: Convert to fraction form
    993,785.42/1,490,821.61 = 488,375.19/x
  3. Step 3: Cross multiply
    993,785.42x = 1,490,821.61 × 488,375.19
  4. Step 4: Simplify right side
    993,785.42x = 728,080,284,597.98
  5. Step 5: Solve for x
    x = 728,080,284,597.98/993,785.42
  6. Step 6: Final answer
    x = 732,633.29

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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.