Home / 908,145.10-1,361,245.65-308,550.70

Finding the Fourth Proportional to 908,145.10, 1,361,245.65 and 308,550.70

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Solution

The fourth proportional to 908,145.10, 1,361,245.65 and 308,550.70 is: 462,495.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,145.10 : 1,361,245.65 = 308,550.70 : x
  2. Step 2: Convert to fraction form
    908,145.10/1,361,245.65 = 308,550.70/x
  3. Step 3: Cross multiply
    908,145.10x = 1,361,245.65 × 308,550.70
  4. Step 4: Simplify right side
    908,145.10x = 420,013,298,179.46
  5. Step 5: Solve for x
    x = 420,013,298,179.46/908,145.10
  6. Step 6: Final answer
    x = 462,495.80

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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.