Home / 813,029.69-1,121,966.42-450,446.27

Finding the Fourth Proportional to 813,029.69, 1,121,966.42 and 450,446.27

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Solution

The fourth proportional to 813,029.69, 1,121,966.42 and 450,446.27 is: 621,607.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,029.69 : 1,121,966.42 = 450,446.27 : x
  2. Step 2: Convert to fraction form
    813,029.69/1,121,966.42 = 450,446.27/x
  3. Step 3: Cross multiply
    813,029.69x = 1,121,966.42 × 450,446.27
  4. Step 4: Simplify right side
    813,029.69x = 505,385,593,092.54
  5. Step 5: Solve for x
    x = 505,385,593,092.54/813,029.69
  6. Step 6: Final answer
    x = 621,607.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.