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Finding the Fourth Proportional to 647,229.92, 893,208 and 360,752.12

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Solution

The fourth proportional to 647,229.92, 893,208 and 360,752.12 is: 497,855.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,229.92 : 893,208 = 360,752.12 : x
  2. Step 2: Convert to fraction form
    647,229.92/893,208 = 360,752.12/x
  3. Step 3: Cross multiply
    647,229.92x = 893,208 × 360,752.12
  4. Step 4: Simplify right side
    647,229.92x = 322,226,679,600.96
  5. Step 5: Solve for x
    x = 322,226,679,600.96/647,229.92
  6. Step 6: Final answer
    x = 497,855.04

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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.