Home / 740,813.40-1,111,220.10-179,847.90

Finding the Fourth Proportional to 740,813.40, 1,111,220.10 and 179,847.90

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Solution

The fourth proportional to 740,813.40, 1,111,220.10 and 179,847.90 is: 269,771.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,813.40 : 1,111,220.10 = 179,847.90 : x
  2. Step 2: Convert to fraction form
    740,813.40/1,111,220.10 = 179,847.90/x
  3. Step 3: Cross multiply
    740,813.40x = 1,111,220.10 × 179,847.90
  4. Step 4: Simplify right side
    740,813.40x = 199,850,601,422.79
  5. Step 5: Solve for x
    x = 199,850,601,422.79/740,813.40
  6. Step 6: Final answer
    x = 269,771.85

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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.