Home / 680,603.66-1,021,536.34-343,880.96

Finding the Fourth Proportional to 680,603.66, 1,021,536.34 and 343,880.96

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Solution

The fourth proportional to 680,603.66, 1,021,536.34 and 343,880.96 is: 516,140.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,603.66 : 1,021,536.34 = 343,880.96 : x
  2. Step 2: Convert to fraction form
    680,603.66/1,021,536.34 = 343,880.96/x
  3. Step 3: Cross multiply
    680,603.66x = 1,021,536.34 × 343,880.96
  4. Step 4: Simplify right side
    680,603.66x = 351,286,897,274.09
  5. Step 5: Solve for x
    x = 351,286,897,274.09/680,603.66
  6. Step 6: Final answer
    x = 516,140.18

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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.