Home / 811,496.52-1,119,844.98-448,940.52

Finding the Fourth Proportional to 811,496.52, 1,119,844.98 and 448,940.52

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Solution

The fourth proportional to 811,496.52, 1,119,844.98 and 448,940.52 is: 619,526.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,496.52 : 1,119,844.98 = 448,940.52 : x
  2. Step 2: Convert to fraction form
    811,496.52/1,119,844.98 = 448,940.52/x
  3. Step 3: Cross multiply
    811,496.52x = 1,119,844.98 × 448,940.52
  4. Step 4: Simplify right side
    811,496.52x = 502,743,787,640.59
  5. Step 5: Solve for x
    x = 502,743,787,640.59/811,496.52
  6. Step 6: Final answer
    x = 619,526.73

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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.