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Finding the Fourth Proportional to 654,650.75, 903,412.12 and 368,164.68

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Solution

The fourth proportional to 654,650.75, 903,412.12 and 368,164.68 is: 508,063.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,650.75 : 903,412.12 = 368,164.68 : x
  2. Step 2: Convert to fraction form
    654,650.75/903,412.12 = 368,164.68/x
  3. Step 3: Cross multiply
    654,650.75x = 903,412.12 × 368,164.68
  4. Step 4: Simplify right side
    654,650.75x = 332,604,434,067.92
  5. Step 5: Solve for x
    x = 332,604,434,067.92/654,650.75
  6. Step 6: Final answer
    x = 508,063.93

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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.