Home / 993,231.20-1,488,680.40-459,625.08

Finding the Fourth Proportional to 993,231.20, 1,488,680.40 and 459,625.08

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Solution

The fourth proportional to 993,231.20, 1,488,680.40 and 459,625.08 is: 688,897.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,231.20 : 1,488,680.40 = 459,625.08 : x
  2. Step 2: Convert to fraction form
    993,231.20/1,488,680.40 = 459,625.08/x
  3. Step 3: Cross multiply
    993,231.20x = 1,488,680.40 × 459,625.08
  4. Step 4: Simplify right side
    993,231.20x = 684,234,847,944.43
  5. Step 5: Solve for x
    x = 684,234,847,944.43/993,231.20
  6. Step 6: Final answer
    x = 688,897.86

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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.