Home / 736,390.50-1,104,460.47-203,786.76

Finding the Fourth Proportional to 736,390.50, 1,104,460.47 and 203,786.76

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Solution

The fourth proportional to 736,390.50, 1,104,460.47 and 203,786.76 is: 305,645.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,390.50 : 1,104,460.47 = 203,786.76 : x
  2. Step 2: Convert to fraction form
    736,390.50/1,104,460.47 = 203,786.76/x
  3. Step 3: Cross multiply
    736,390.50x = 1,104,460.47 × 203,786.76
  4. Step 4: Simplify right side
    736,390.50x = 225,074,420,729.38
  5. Step 5: Solve for x
    x = 225,074,420,729.38/736,390.50
  6. Step 6: Final answer
    x = 305,645.47

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Double scale
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Similar ratio
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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.