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Finding the Fourth Proportional to 561,200.13, 774,456.13 and 303,077.05

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Solution

The fourth proportional to 561,200.13, 774,456.13 and 303,077.05 is: 418,246.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,200.13 : 774,456.13 = 303,077.05 : x
  2. Step 2: Convert to fraction form
    561,200.13/774,456.13 = 303,077.05/x
  3. Step 3: Cross multiply
    561,200.13x = 774,456.13 × 303,077.05
  4. Step 4: Simplify right side
    561,200.13x = 234,719,879,234.82
  5. Step 5: Solve for x
    x = 234,719,879,234.82/561,200.13
  6. Step 6: Final answer
    x = 418,246.30

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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.