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Finding the Fourth Proportional to 647,227.92, 893,205.24 and 360,750.12

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Solution

The fourth proportional to 647,227.92, 893,205.24 and 360,750.12 is: 497,852.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,227.92 : 893,205.24 = 360,750.12 : x
  2. Step 2: Convert to fraction form
    647,227.92/893,205.24 = 360,750.12/x
  3. Step 3: Cross multiply
    647,227.92x = 893,205.24 × 360,750.12
  4. Step 4: Simplify right side
    647,227.92x = 322,223,897,514.63
  5. Step 5: Solve for x
    x = 322,223,897,514.63/647,227.92
  6. Step 6: Final answer
    x = 497,852.28

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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.