Home / 830,203.26-1,245,808.89-331,525.50

Finding the Fourth Proportional to 830,203.26, 1,245,808.89 and 331,525.50

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Solution

The fourth proportional to 830,203.26, 1,245,808.89 and 331,525.50 is: 497,489.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,203.26 : 1,245,808.89 = 331,525.50 : x
  2. Step 2: Convert to fraction form
    830,203.26/1,245,808.89 = 331,525.50/x
  3. Step 3: Cross multiply
    830,203.26x = 1,245,808.89 × 331,525.50
  4. Step 4: Simplify right side
    830,203.26x = 413,017,415,161.70
  5. Step 5: Solve for x
    x = 413,017,415,161.70/830,203.26
  6. Step 6: Final answer
    x = 497,489.51

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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.