Home / 808,703.70-1,212,885.45-408,968.70

Finding the Fourth Proportional to 808,703.70, 1,212,885.45 and 408,968.70

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Solution

The fourth proportional to 808,703.70, 1,212,885.45 and 408,968.70 is: 613,367.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,703.70 : 1,212,885.45 = 408,968.70 : x
  2. Step 2: Convert to fraction form
    808,703.70/1,212,885.45 = 408,968.70/x
  3. Step 3: Cross multiply
    808,703.70x = 1,212,885.45 × 408,968.70
  4. Step 4: Simplify right side
    808,703.70x = 496,032,185,735.42
  5. Step 5: Solve for x
    x = 496,032,185,735.42/808,703.70
  6. Step 6: Final answer
    x = 613,367.03

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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.