Home / 663,209.08-994,931.82-308,623.48

Finding the Fourth Proportional to 663,209.08, 994,931.82 and 308,623.48

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Solution

The fourth proportional to 663,209.08, 994,931.82 and 308,623.48 is: 462,990.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,209.08 : 994,931.82 = 308,623.48 : x
  2. Step 2: Convert to fraction form
    663,209.08/994,931.82 = 308,623.48/x
  3. Step 3: Cross multiply
    663,209.08x = 994,931.82 × 308,623.48
  4. Step 4: Simplify right side
    663,209.08x = 307,059,320,651.13
  5. Step 5: Solve for x
    x = 307,059,320,651.13/663,209.08
  6. Step 6: Final answer
    x = 462,990.22

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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.