Home / 876,770.07-1,315,229.67-308,102.10

Finding the Fourth Proportional to 876,770.07, 1,315,229.67 and 308,102.10

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Solution

The fourth proportional to 876,770.07, 1,315,229.67 and 308,102.10 is: 462,179.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,770.07 : 1,315,229.67 = 308,102.10 : x
  2. Step 2: Convert to fraction form
    876,770.07/1,315,229.67 = 308,102.10/x
  3. Step 3: Cross multiply
    876,770.07x = 1,315,229.67 × 308,102.10
  4. Step 4: Simplify right side
    876,770.07x = 405,225,023,309.31
  5. Step 5: Solve for x
    x = 405,225,023,309.31/876,770.07
  6. Step 6: Final answer
    x = 462,179.35

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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.