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Finding the Fourth Proportional to 490,202.20, 735,476.10 and 472,922.20

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Solution

The fourth proportional to 490,202.20, 735,476.10 and 472,922.20 is: 709,550.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,202.20 : 735,476.10 = 472,922.20 : x
  2. Step 2: Convert to fraction form
    490,202.20/735,476.10 = 472,922.20/x
  3. Step 3: Cross multiply
    490,202.20x = 735,476.10 × 472,922.20
  4. Step 4: Simplify right side
    490,202.20x = 347,822,975,259.42
  5. Step 5: Solve for x
    x = 347,822,975,259.42/490,202.20
  6. Step 6: Final answer
    x = 709,550.01

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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.