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Finding the Fourth Proportional to 477,595.85, 658,629.90 and 305,568.25

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Solution

The fourth proportional to 477,595.85, 658,629.90 and 305,568.25 is: 421,394.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,595.85 : 658,629.90 = 305,568.25 : x
  2. Step 2: Convert to fraction form
    477,595.85/658,629.90 = 305,568.25/x
  3. Step 3: Cross multiply
    477,595.85x = 658,629.90 × 305,568.25
  4. Step 4: Simplify right side
    477,595.85x = 201,256,384,294.10
  5. Step 5: Solve for x
    x = 201,256,384,294.10/477,595.85
  6. Step 6: Final answer
    x = 421,394.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.