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Finding the Fourth Proportional to 620,512.27, 929,907.27 and 282,727.40

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Solution

The fourth proportional to 620,512.27, 929,907.27 and 282,727.40 is: 423,698.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,512.27 : 929,907.27 = 282,727.40 : x
  2. Step 2: Convert to fraction form
    620,512.27/929,907.27 = 282,727.40/x
  3. Step 3: Cross multiply
    620,512.27x = 929,907.27 × 282,727.40
  4. Step 4: Simplify right side
    620,512.27x = 262,910,260,038.66
  5. Step 5: Solve for x
    x = 262,910,260,038.66/620,512.27
  6. Step 6: Final answer
    x = 423,698.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.