Home / 811,814.80-1,217,722.20-496,109.20

Finding the Fourth Proportional to 811,814.80, 1,217,722.20 and 496,109.20

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Solution

The fourth proportional to 811,814.80, 1,217,722.20 and 496,109.20 is: 744,163.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,814.80 : 1,217,722.20 = 496,109.20 : x
  2. Step 2: Convert to fraction form
    811,814.80/1,217,722.20 = 496,109.20/x
  3. Step 3: Cross multiply
    811,814.80x = 1,217,722.20 × 496,109.20
  4. Step 4: Simplify right side
    811,814.80x = 604,123,186,464.24
  5. Step 5: Solve for x
    x = 604,123,186,464.24/811,814.80
  6. Step 6: Final answer
    x = 744,163.80

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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.