Home / 663,445.08-994,458.24-378,521.82

Finding the Fourth Proportional to 663,445.08, 994,458.24 and 378,521.82

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Solution

The fourth proportional to 663,445.08, 994,458.24 and 378,521.82 is: 567,378.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,445.08 : 994,458.24 = 378,521.82 : x
  2. Step 2: Convert to fraction form
    663,445.08/994,458.24 = 378,521.82/x
  3. Step 3: Cross multiply
    663,445.08x = 994,458.24 × 378,521.82
  4. Step 4: Simplify right side
    663,445.08x = 376,424,142,918.80
  5. Step 5: Solve for x
    x = 376,424,142,918.80/663,445.08
  6. Step 6: Final answer
    x = 567,378.00

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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.