Home / 448,520.07-672,780.11-307,852.23

Finding the Fourth Proportional to 448,520.07, 672,780.11 and 307,852.23

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Solution

The fourth proportional to 448,520.07, 672,780.11 and 307,852.23 is: 461,778.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,520.07 : 672,780.11 = 307,852.23 : x
  2. Step 2: Convert to fraction form
    448,520.07/672,780.11 = 307,852.23/x
  3. Step 3: Cross multiply
    448,520.07x = 672,780.11 × 307,852.23
  4. Step 4: Simplify right side
    448,520.07x = 207,116,857,163.15
  5. Step 5: Solve for x
    x = 207,116,857,163.15/448,520.07
  6. Step 6: Final answer
    x = 461,778.35

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Similar ratio
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1.5x scale

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.