Home / 723,611.46-1,085,469.44-191,125.56

Finding the Fourth Proportional to 723,611.46, 1,085,469.44 and 191,125.56

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Solution

The fourth proportional to 723,611.46, 1,085,469.44 and 191,125.56 is: 286,702.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,611.46 : 1,085,469.44 = 191,125.56 : x
  2. Step 2: Convert to fraction form
    723,611.46/1,085,469.44 = 191,125.56/x
  3. Step 3: Cross multiply
    723,611.46x = 1,085,469.44 × 191,125.56
  4. Step 4: Simplify right side
    723,611.46x = 207,460,954,582.89
  5. Step 5: Solve for x
    x = 207,460,954,582.89/723,611.46
  6. Step 6: Final answer
    x = 286,702.14

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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.