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Finding the Fourth Proportional to 545,252, 752,464.48 and 296,910.40

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Solution

The fourth proportional to 545,252, 752,464.48 and 296,910.40 is: 409,745.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,252 : 752,464.48 = 296,910.40 : x
  2. Step 2: Convert to fraction form
    545,252/752,464.48 = 296,910.40/x
  3. Step 3: Cross multiply
    545,252x = 752,464.48 × 296,910.40
  4. Step 4: Simplify right side
    545,252x = 223,414,529,742.59
  5. Step 5: Solve for x
    x = 223,414,529,742.59/545,252
  6. Step 6: Final answer
    x = 409,745.46

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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.