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Finding the Fourth Proportional to 483,069.80, 724,604.70 and 304,999.40

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Solution

The fourth proportional to 483,069.80, 724,604.70 and 304,999.40 is: 457,499.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,069.80 : 724,604.70 = 304,999.40 : x
  2. Step 2: Convert to fraction form
    483,069.80/724,604.70 = 304,999.40/x
  3. Step 3: Cross multiply
    483,069.80x = 724,604.70 × 304,999.40
  4. Step 4: Simplify right side
    483,069.80x = 221,003,998,737.18
  5. Step 5: Solve for x
    x = 221,003,998,737.18/483,069.80
  6. Step 6: Final answer
    x = 457,499.10

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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.