Home / 829,702.39-1,244,551.85-261,133.18

Finding the Fourth Proportional to 829,702.39, 1,244,551.85 and 261,133.18

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Solution

The fourth proportional to 829,702.39, 1,244,551.85 and 261,133.18 is: 391,699.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,702.39 : 1,244,551.85 = 261,133.18 : x
  2. Step 2: Convert to fraction form
    829,702.39/1,244,551.85 = 261,133.18/x
  3. Step 3: Cross multiply
    829,702.39x = 1,244,551.85 × 261,133.18
  4. Step 4: Simplify right side
    829,702.39x = 324,993,780,944.94
  5. Step 5: Solve for x
    x = 324,993,780,944.94/829,702.39
  6. Step 6: Final answer
    x = 391,699.22

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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.