Home / 648,026.85-972,040.28-448,736.48

Finding the Fourth Proportional to 648,026.85, 972,040.28 and 448,736.48

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Solution

The fourth proportional to 648,026.85, 972,040.28 and 448,736.48 is: 673,104.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,026.85 : 972,040.28 = 448,736.48 : x
  2. Step 2: Convert to fraction form
    648,026.85/972,040.28 = 448,736.48/x
  3. Step 3: Cross multiply
    648,026.85x = 972,040.28 × 448,736.48
  4. Step 4: Simplify right side
    648,026.85x = 436,189,926,561.53
  5. Step 5: Solve for x
    x = 436,189,926,561.53/648,026.85
  6. Step 6: Final answer
    x = 673,104.71

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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.