Home / 663,377.46-916,035.06-629,326.53

Finding the Fourth Proportional to 663,377.46, 916,035.06 and 629,326.53

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Solution

The fourth proportional to 663,377.46, 916,035.06 and 629,326.53 is: 869,015.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,377.46 : 916,035.06 = 629,326.53 : x
  2. Step 2: Convert to fraction form
    663,377.46/916,035.06 = 629,326.53/x
  3. Step 3: Cross multiply
    663,377.46x = 916,035.06 × 629,326.53
  4. Step 4: Simplify right side
    663,377.46x = 576,485,165,668.14
  5. Step 5: Solve for x
    x = 576,485,165,668.14/663,377.46
  6. Step 6: Final answer
    x = 869,015.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.