Home / 830,921-1,246,255.14-231,819.08

Finding the Fourth Proportional to 830,921, 1,246,255.14 and 231,819.08

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Solution

The fourth proportional to 830,921, 1,246,255.14 and 231,819.08 is: 347,693.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,921 : 1,246,255.14 = 231,819.08 : x
  2. Step 2: Convert to fraction form
    830,921/1,246,255.14 = 231,819.08/x
  3. Step 3: Cross multiply
    830,921x = 1,246,255.14 × 231,819.08
  4. Step 4: Simplify right side
    830,921x = 288,905,720,000.07
  5. Step 5: Solve for x
    x = 288,905,720,000.07/830,921
  6. Step 6: Final answer
    x = 347,693.37

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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.