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Finding the Fourth Proportional to 435,850.08, 654,759.35 and 258,473.45

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Solution

The fourth proportional to 435,850.08, 654,759.35 and 258,473.45 is: 388,293.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,850.08 : 654,759.35 = 258,473.45 : x
  2. Step 2: Convert to fraction form
    435,850.08/654,759.35 = 258,473.45/x
  3. Step 3: Cross multiply
    435,850.08x = 654,759.35 × 258,473.45
  4. Step 4: Simplify right side
    435,850.08x = 169,237,903,548.09
  5. Step 5: Solve for x
    x = 169,237,903,548.09/435,850.08
  6. Step 6: Final answer
    x = 388,293.85

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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.