Home / 698,976.43-1,046,783.03-398,546.21

Finding the Fourth Proportional to 698,976.43, 1,046,783.03 and 398,546.21

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Solution

The fourth proportional to 698,976.43, 1,046,783.03 and 398,546.21 is: 596,860.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,976.43 : 1,046,783.03 = 398,546.21 : x
  2. Step 2: Convert to fraction form
    698,976.43/1,046,783.03 = 398,546.21/x
  3. Step 3: Cross multiply
    698,976.43x = 1,046,783.03 × 398,546.21
  4. Step 4: Simplify right side
    698,976.43x = 417,191,409,298.82
  5. Step 5: Solve for x
    x = 417,191,409,298.82/698,976.43
  6. Step 6: Final answer
    x = 596,860.48

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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.