Home / 681,099.88-1,021,646.82-207,783.64

Finding the Fourth Proportional to 681,099.88, 1,021,646.82 and 207,783.64

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Solution

The fourth proportional to 681,099.88, 1,021,646.82 and 207,783.64 is: 311,674.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,099.88 : 1,021,646.82 = 207,783.64 : x
  2. Step 2: Convert to fraction form
    681,099.88/1,021,646.82 = 207,783.64/x
  3. Step 3: Cross multiply
    681,099.88x = 1,021,646.82 × 207,783.64
  4. Step 4: Simplify right side
    681,099.88x = 212,281,495,054.03
  5. Step 5: Solve for x
    x = 212,281,495,054.03/681,099.88
  6. Step 6: Final answer
    x = 311,674.54

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1.5x scale

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.