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Finding the Fourth Proportional to 664,369.34, 916,829.44 and 362,563.34

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Solution

The fourth proportional to 664,369.34, 916,829.44 and 362,563.34 is: 500,337.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,369.34 : 916,829.44 = 362,563.34 : x
  2. Step 2: Convert to fraction form
    664,369.34/916,829.44 = 362,563.34/x
  3. Step 3: Cross multiply
    664,369.34x = 916,829.44 × 362,563.34
  4. Step 4: Simplify right side
    664,369.34x = 332,408,738,486.17
  5. Step 5: Solve for x
    x = 332,408,738,486.17/664,369.34
  6. Step 6: Final answer
    x = 500,337.27

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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.