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Finding the Fourth Proportional to 541,953.60, 747,941.90 and 300,311.97

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Solution

The fourth proportional to 541,953.60, 747,941.90 and 300,311.97 is: 414,455.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,953.60 : 747,941.90 = 300,311.97 : x
  2. Step 2: Convert to fraction form
    541,953.60/747,941.90 = 300,311.97/x
  3. Step 3: Cross multiply
    541,953.60x = 747,941.90 × 300,311.97
  4. Step 4: Simplify right side
    541,953.60x = 224,615,903,932.98
  5. Step 5: Solve for x
    x = 224,615,903,932.98/541,953.60
  6. Step 6: Final answer
    x = 414,455.97

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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.