Home / 830,954.89-1,246,186.30-231,771.57

Finding the Fourth Proportional to 830,954.89, 1,246,186.30 and 231,771.57

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Solution

The fourth proportional to 830,954.89, 1,246,186.30 and 231,771.57 is: 347,588.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,954.89 : 1,246,186.30 = 231,771.57 : x
  2. Step 2: Convert to fraction form
    830,954.89/1,246,186.30 = 231,771.57/x
  3. Step 3: Cross multiply
    830,954.89x = 1,246,186.30 × 231,771.57
  4. Step 4: Simplify right side
    830,954.89x = 288,830,555,263.49
  5. Step 5: Solve for x
    x = 288,830,555,263.49/830,954.89
  6. Step 6: Final answer
    x = 347,588.73

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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.