Home / 799,388.76-1,198,645.21-393,688.82

Finding the Fourth Proportional to 799,388.76, 1,198,645.21 and 393,688.82

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Solution

The fourth proportional to 799,388.76, 1,198,645.21 and 393,688.82 is: 590,317.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,388.76 : 1,198,645.21 = 393,688.82 : x
  2. Step 2: Convert to fraction form
    799,388.76/1,198,645.21 = 393,688.82/x
  3. Step 3: Cross multiply
    799,388.76x = 1,198,645.21 × 393,688.82
  4. Step 4: Simplify right side
    799,388.76x = 471,893,219,597.78
  5. Step 5: Solve for x
    x = 471,893,219,597.78/799,388.76
  6. Step 6: Final answer
    x = 590,317.55

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1.5x scale

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.