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Finding the Fourth Proportional to 650,431.44, 975,404.70 and 223,848.09

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Solution

The fourth proportional to 650,431.44, 975,404.70 and 223,848.09 is: 335,688.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,431.44 : 975,404.70 = 223,848.09 : x
  2. Step 2: Convert to fraction form
    650,431.44/975,404.70 = 223,848.09/x
  3. Step 3: Cross multiply
    650,431.44x = 975,404.70 × 223,848.09
  4. Step 4: Simplify right side
    650,431.44x = 218,342,479,072.02
  5. Step 5: Solve for x
    x = 218,342,479,072.02/650,431.44
  6. Step 6: Final answer
    x = 335,688.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.