Home / 676,157.37-1,012,625.99-391,247.48

Finding the Fourth Proportional to 676,157.37, 1,012,625.99 and 391,247.48

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Solution

The fourth proportional to 676,157.37, 1,012,625.99 and 391,247.48 is: 585,939.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,157.37 : 1,012,625.99 = 391,247.48 : x
  2. Step 2: Convert to fraction form
    676,157.37/1,012,625.99 = 391,247.48/x
  3. Step 3: Cross multiply
    676,157.37x = 1,012,625.99 × 391,247.48
  4. Step 4: Simplify right side
    676,157.37x = 396,187,370,279.69
  5. Step 5: Solve for x
    x = 396,187,370,279.69/676,157.37
  6. Step 6: Final answer
    x = 585,939.59

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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.