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Finding the Fourth Proportional to 654,955.70, 903,774.53 and 368,469.64

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Solution

The fourth proportional to 654,955.70, 903,774.53 and 368,469.64 is: 508,451.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,955.70 : 903,774.53 = 368,469.64 : x
  2. Step 2: Convert to fraction form
    654,955.70/903,774.53 = 368,469.64/x
  3. Step 3: Cross multiply
    654,955.70x = 903,774.53 × 368,469.64
  4. Step 4: Simplify right side
    654,955.70x = 333,013,469,349.05
  5. Step 5: Solve for x
    x = 333,013,469,349.05/654,955.70
  6. Step 6: Final answer
    x = 508,451.90

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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.