Home / 816,484.49-1,126,773.08-448,942.61

Finding the Fourth Proportional to 816,484.49, 1,126,773.08 and 448,942.61

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Solution

The fourth proportional to 816,484.49, 1,126,773.08 and 448,942.61 is: 619,554.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,484.49 : 1,126,773.08 = 448,942.61 : x
  2. Step 2: Convert to fraction form
    816,484.49/1,126,773.08 = 448,942.61/x
  3. Step 3: Cross multiply
    816,484.49x = 1,126,773.08 × 448,942.61
  4. Step 4: Simplify right side
    816,484.49x = 505,856,439,534.36
  5. Step 5: Solve for x
    x = 505,856,439,534.36/816,484.49
  6. Step 6: Final answer
    x = 619,554.26

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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.