Home / 740,640.60-1,110,960.90-179,675.10

Finding the Fourth Proportional to 740,640.60, 1,110,960.90 and 179,675.10

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Solution

The fourth proportional to 740,640.60, 1,110,960.90 and 179,675.10 is: 269,512.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,640.60 : 1,110,960.90 = 179,675.10 : x
  2. Step 2: Convert to fraction form
    740,640.60/1,110,960.90 = 179,675.10/x
  3. Step 3: Cross multiply
    740,640.60x = 1,110,960.90 × 179,675.10
  4. Step 4: Simplify right side
    740,640.60x = 199,612,010,803.59
  5. Step 5: Solve for x
    x = 199,612,010,803.59/740,640.60
  6. Step 6: Final answer
    x = 269,512.65

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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.