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Finding the Fourth Proportional to 647,230.92, 893,209.38 and 360,753.12

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Solution

The fourth proportional to 647,230.92, 893,209.38 and 360,753.12 is: 497,856.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,230.92 : 893,209.38 = 360,753.12 : x
  2. Step 2: Convert to fraction form
    647,230.92/893,209.38 = 360,753.12/x
  3. Step 3: Cross multiply
    647,230.92x = 893,209.38 × 360,753.12
  4. Step 4: Simplify right side
    647,230.92x = 322,228,070,648.27
  5. Step 5: Solve for x
    x = 322,228,070,648.27/647,230.92
  6. Step 6: Final answer
    x = 497,856.42

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1.5x scale

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.