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Finding the Fourth Proportional to 553,331.80, 829,997.70 and 304,499.80

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Solution

The fourth proportional to 553,331.80, 829,997.70 and 304,499.80 is: 456,749.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,331.80 : 829,997.70 = 304,499.80 : x
  2. Step 2: Convert to fraction form
    553,331.80/829,997.70 = 304,499.80/x
  3. Step 3: Cross multiply
    553,331.80x = 829,997.70 × 304,499.80
  4. Step 4: Simplify right side
    553,331.80x = 252,734,133,650.46
  5. Step 5: Solve for x
    x = 252,734,133,650.46/553,331.80
  6. Step 6: Final answer
    x = 456,749.70

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.