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Finding the Fourth Proportional to 545,564.85, 752,850.19 and 300,541.58

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Solution

The fourth proportional to 545,564.85, 752,850.19 and 300,541.58 is: 414,731.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,564.85 : 752,850.19 = 300,541.58 : x
  2. Step 2: Convert to fraction form
    545,564.85/752,850.19 = 300,541.58/x
  3. Step 3: Cross multiply
    545,564.85x = 752,850.19 × 300,541.58
  4. Step 4: Simplify right side
    545,564.85x = 226,262,781,090.30
  5. Step 5: Solve for x
    x = 226,262,781,090.30/545,564.85
  6. Step 6: Final answer
    x = 414,731.23

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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.