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Finding the Fourth Proportional to 564,092.52, 778,500.90 and 322,328.25

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Solution

The fourth proportional to 564,092.52, 778,500.90 and 322,328.25 is: 444,843.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,092.52 : 778,500.90 = 322,328.25 : x
  2. Step 2: Convert to fraction form
    564,092.52/778,500.90 = 322,328.25/x
  3. Step 3: Cross multiply
    564,092.52x = 778,500.90 × 322,328.25
  4. Step 4: Simplify right side
    564,092.52x = 250,932,832,720.43
  5. Step 5: Solve for x
    x = 250,932,832,720.43/564,092.52
  6. Step 6: Final answer
    x = 444,843.40

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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.