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Finding the Fourth Proportional to 654,383.45, 903,103.71 and 364,049.71

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Solution

The fourth proportional to 654,383.45, 903,103.71 and 364,049.71 is: 502,418.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,383.45 : 903,103.71 = 364,049.71 : x
  2. Step 2: Convert to fraction form
    654,383.45/903,103.71 = 364,049.71/x
  3. Step 3: Cross multiply
    654,383.45x = 903,103.71 × 364,049.71
  4. Step 4: Simplify right side
    654,383.45x = 328,774,643,725.42
  5. Step 5: Solve for x
    x = 328,774,643,725.42/654,383.45
  6. Step 6: Final answer
    x = 502,418.95

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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.