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Finding the Fourth Proportional to 647,227.53, 893,175.26 and 360,741.87

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Solution

The fourth proportional to 647,227.53, 893,175.26 and 360,741.87 is: 497,824.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,227.53 : 893,175.26 = 360,741.87 : x
  2. Step 2: Convert to fraction form
    647,227.53/893,175.26 = 360,741.87/x
  3. Step 3: Cross multiply
    647,227.53x = 893,175.26 × 360,741.87
  4. Step 4: Simplify right side
    647,227.53x = 322,205,711,726.43
  5. Step 5: Solve for x
    x = 322,205,711,726.43/647,227.53
  6. Step 6: Final answer
    x = 497,824.48

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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.