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Finding the Fourth Proportional to 1,473.69, 2,210.63 and 499.80

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Solution

The fourth proportional to 1,473.69, 2,210.63 and 499.80 is: 749.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473.69 : 2,210.63 = 499.80 : x
  2. Step 2: Convert to fraction form
    1,473.69/2,210.63 = 499.80/x
  3. Step 3: Cross multiply
    1,473.69x = 2,210.63 × 499.80
  4. Step 4: Simplify right side
    1,473.69x = 1,104,872.87
  5. Step 5: Solve for x
    x = 1,104,872.87/1,473.69
  6. Step 6: Final answer
    x = 749.73

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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.