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Finding the Fourth Proportional to 547,404.24, 755,374.76 and 305,667.92

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Solution

The fourth proportional to 547,404.24, 755,374.76 and 305,667.92 is: 421,797.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,404.24 : 755,374.76 = 305,667.92 : x
  2. Step 2: Convert to fraction form
    547,404.24/755,374.76 = 305,667.92/x
  3. Step 3: Cross multiply
    547,404.24x = 755,374.76 × 305,667.92
  4. Step 4: Simplify right side
    547,404.24x = 230,893,831,709.70
  5. Step 5: Solve for x
    x = 230,893,831,709.70/547,404.24
  6. Step 6: Final answer
    x = 421,797.67

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1.5x scale

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.