Home / 694,741.10-1,042,014.45-221,474.30

Finding the Fourth Proportional to 694,741.10, 1,042,014.45 and 221,474.30

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Solution

The fourth proportional to 694,741.10, 1,042,014.45 and 221,474.30 is: 332,180.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,741.10 : 1,042,014.45 = 221,474.30 : x
  2. Step 2: Convert to fraction form
    694,741.10/1,042,014.45 = 221,474.30/x
  3. Step 3: Cross multiply
    694,741.10x = 1,042,014.45 × 221,474.30
  4. Step 4: Simplify right side
    694,741.10x = 230,779,420,903.64
  5. Step 5: Solve for x
    x = 230,779,420,903.64/694,741.10
  6. Step 6: Final answer
    x = 332,180.46

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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.