Home / 933,951.84-1,399,238.26-428,935.26

Finding the Fourth Proportional to 933,951.84, 1,399,238.26 and 428,935.26

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Solution

The fourth proportional to 933,951.84, 1,399,238.26 and 428,935.26 is: 642,626.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,951.84 : 1,399,238.26 = 428,935.26 : x
  2. Step 2: Convert to fraction form
    933,951.84/1,399,238.26 = 428,935.26/x
  3. Step 3: Cross multiply
    933,951.84x = 1,399,238.26 × 428,935.26
  4. Step 4: Simplify right side
    933,951.84x = 600,182,631,029.85
  5. Step 5: Solve for x
    x = 600,182,631,029.85/933,951.84
  6. Step 6: Final answer
    x = 642,626.96

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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.