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Finding the Fourth Proportional to 547,671.06, 755,777.73 and 305,957.10

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Solution

The fourth proportional to 547,671.06, 755,777.73 and 305,957.10 is: 422,216.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,671.06 : 755,777.73 = 305,957.10 : x
  2. Step 2: Convert to fraction form
    547,671.06/755,777.73 = 305,957.10/x
  3. Step 3: Cross multiply
    547,671.06x = 755,777.73 × 305,957.10
  4. Step 4: Simplify right side
    547,671.06x = 231,235,562,515.38
  5. Step 5: Solve for x
    x = 231,235,562,515.38/547,671.06
  6. Step 6: Final answer
    x = 422,216.14

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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.