Home / 789,362.55-1,183,749.88-283,785.57

Finding the Fourth Proportional to 789,362.55, 1,183,749.88 and 283,785.57

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Solution

The fourth proportional to 789,362.55, 1,183,749.88 and 283,785.57 is: 425,572.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,362.55 : 1,183,749.88 = 283,785.57 : x
  2. Step 2: Convert to fraction form
    789,362.55/1,183,749.88 = 283,785.57/x
  3. Step 3: Cross multiply
    789,362.55x = 1,183,749.88 × 283,785.57
  4. Step 4: Simplify right side
    789,362.55x = 335,931,127,805.02
  5. Step 5: Solve for x
    x = 335,931,127,805.02/789,362.55
  6. Step 6: Final answer
    x = 425,572.67

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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.