Home / 681,116.79-1,021,672.35-207,800.58

Finding the Fourth Proportional to 681,116.79, 1,021,672.35 and 207,800.58

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Solution

The fourth proportional to 681,116.79, 1,021,672.35 and 207,800.58 is: 311,700.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,116.79 : 1,021,672.35 = 207,800.58 : x
  2. Step 2: Convert to fraction form
    681,116.79/1,021,672.35 = 207,800.58/x
  3. Step 3: Cross multiply
    681,116.79x = 1,021,672.35 × 207,800.58
  4. Step 4: Simplify right side
    681,116.79x = 212,304,106,899.96
  5. Step 5: Solve for x
    x = 212,304,106,899.96/681,116.79
  6. Step 6: Final answer
    x = 311,700.01

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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.