Home / 756,649.56-1,044,183.40-417,129.96

Finding the Fourth Proportional to 756,649.56, 1,044,183.40 and 417,129.96

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Solution

The fourth proportional to 756,649.56, 1,044,183.40 and 417,129.96 is: 575,643.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,649.56 : 1,044,183.40 = 417,129.96 : x
  2. Step 2: Convert to fraction form
    756,649.56/1,044,183.40 = 417,129.96/x
  3. Step 3: Cross multiply
    756,649.56x = 1,044,183.40 × 417,129.96
  4. Step 4: Simplify right side
    756,649.56x = 435,560,179,874.66
  5. Step 5: Solve for x
    x = 435,560,179,874.66/756,649.56
  6. Step 6: Final answer
    x = 575,643.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.