Home / 448,579.85-672,315.69-384,952.73

Finding the Fourth Proportional to 448,579.85, 672,315.69 and 384,952.73

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Solution

The fourth proportional to 448,579.85, 672,315.69 and 384,952.73 is: 576,953.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,579.85 : 672,315.69 = 384,952.73 : x
  2. Step 2: Convert to fraction form
    448,579.85/672,315.69 = 384,952.73/x
  3. Step 3: Cross multiply
    448,579.85x = 672,315.69 × 384,952.73
  4. Step 4: Simplify right side
    448,579.85x = 258,809,760,287.33
  5. Step 5: Solve for x
    x = 258,809,760,287.33/448,579.85
  6. Step 6: Final answer
    x = 576,953.60

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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.