Home / 448,025.96-670,459.74-279,625.14

Finding the Fourth Proportional to 448,025.96, 670,459.74 and 279,625.14

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Solution

The fourth proportional to 448,025.96, 670,459.74 and 279,625.14 is: 418,452.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,025.96 : 670,459.74 = 279,625.14 : x
  2. Step 2: Convert to fraction form
    448,025.96/670,459.74 = 279,625.14/x
  3. Step 3: Cross multiply
    448,025.96x = 670,459.74 × 279,625.14
  4. Step 4: Simplify right side
    448,025.96x = 187,477,398,661.86
  5. Step 5: Solve for x
    x = 187,477,398,661.86/448,025.96
  6. Step 6: Final answer
    x = 418,452.09

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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.