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Finding the Fourth Proportional to 654,660.63, 903,422.97 and 368,180.71

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Solution

The fourth proportional to 654,660.63, 903,422.97 and 368,180.71 is: 508,084.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,660.63 : 903,422.97 = 368,180.71 : x
  2. Step 2: Convert to fraction form
    654,660.63/903,422.97 = 368,180.71/x
  3. Step 3: Cross multiply
    654,660.63x = 903,422.97 × 368,180.71
  4. Step 4: Simplify right side
    654,660.63x = 332,622,908,266.35
  5. Step 5: Solve for x
    x = 332,622,908,266.35/654,660.63
  6. Step 6: Final answer
    x = 508,084.48

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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.