Home / 736,749.09-1,105,123.68-204,270.13

Finding the Fourth Proportional to 736,749.09, 1,105,123.68 and 204,270.13

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Solution

The fourth proportional to 736,749.09, 1,105,123.68 and 204,270.13 is: 306,405.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,749.09 : 1,105,123.68 = 204,270.13 : x
  2. Step 2: Convert to fraction form
    736,749.09/1,105,123.68 = 204,270.13/x
  3. Step 3: Cross multiply
    736,749.09x = 1,105,123.68 × 204,270.13
  4. Step 4: Simplify right side
    736,749.09x = 225,743,757,779.68
  5. Step 5: Solve for x
    x = 225,743,757,779.68/736,749.09
  6. Step 6: Final answer
    x = 306,405.21

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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.