Home / 448,727.09-672,101.72-370,906.47

Finding the Fourth Proportional to 448,727.09, 672,101.72 and 370,906.47

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Solution

The fourth proportional to 448,727.09, 672,101.72 and 370,906.47 is: 555,542.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,727.09 : 672,101.72 = 370,906.47 : x
  2. Step 2: Convert to fraction form
    448,727.09/672,101.72 = 370,906.47/x
  3. Step 3: Cross multiply
    448,727.09x = 672,101.72 × 370,906.47
  4. Step 4: Simplify right side
    448,727.09x = 249,286,874,591.60
  5. Step 5: Solve for x
    x = 249,286,874,591.60/448,727.09
  6. Step 6: Final answer
    x = 555,542.29

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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.