Home / 448,519.07-672,778.61-307,851.23

Finding the Fourth Proportional to 448,519.07, 672,778.61 and 307,851.23

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Solution

The fourth proportional to 448,519.07, 672,778.61 and 307,851.23 is: 461,776.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,519.07 : 672,778.61 = 307,851.23 : x
  2. Step 2: Convert to fraction form
    448,519.07/672,778.61 = 307,851.23/x
  3. Step 3: Cross multiply
    448,519.07x = 672,778.61 × 307,851.23
  4. Step 4: Simplify right side
    448,519.07x = 207,115,723,903.32
  5. Step 5: Solve for x
    x = 207,115,723,903.32/448,519.07
  6. Step 6: Final answer
    x = 461,776.85

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Similar ratio
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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.