Home / 698,698.22-1,047,299.88-361,399.29

Finding the Fourth Proportional to 698,698.22, 1,047,299.88 and 361,399.29

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Solution

The fourth proportional to 698,698.22, 1,047,299.88 and 361,399.29 is: 541,712.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,698.22 : 1,047,299.88 = 361,399.29 : x
  2. Step 2: Convert to fraction form
    698,698.22/1,047,299.88 = 361,399.29/x
  3. Step 3: Cross multiply
    698,698.22x = 1,047,299.88 × 361,399.29
  4. Step 4: Simplify right side
    698,698.22x = 378,493,428,444.09
  5. Step 5: Solve for x
    x = 378,493,428,444.09/698,698.22
  6. Step 6: Final answer
    x = 541,712.31

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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.