Home / 371,069.07-511,811.33-340,540.76

Finding the Fourth Proportional to 371,069.07, 511,811.33 and 340,540.76

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Solution

The fourth proportional to 371,069.07, 511,811.33 and 340,540.76 is: 469,703.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,069.07 : 511,811.33 = 340,540.76 : x
  2. Step 2: Convert to fraction form
    371,069.07/511,811.33 = 340,540.76/x
  3. Step 3: Cross multiply
    371,069.07x = 511,811.33 × 340,540.76
  4. Step 4: Simplify right side
    371,069.07x = 174,292,615,033.05
  5. Step 5: Solve for x
    x = 174,292,615,033.05/371,069.07
  6. Step 6: Final answer
    x = 469,703.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.