Home / 681,087.80-1,021,631.70-607,604.60

Finding the Fourth Proportional to 681,087.80, 1,021,631.70 and 607,604.60

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Solution

The fourth proportional to 681,087.80, 1,021,631.70 and 607,604.60 is: 911,406.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,087.80 : 1,021,631.70 = 607,604.60 : x
  2. Step 2: Convert to fraction form
    681,087.80/1,021,631.70 = 607,604.60/x
  3. Step 3: Cross multiply
    681,087.80x = 1,021,631.70 × 607,604.60
  4. Step 4: Simplify right side
    681,087.80x = 620,748,120,425.82
  5. Step 5: Solve for x
    x = 620,748,120,425.82/681,087.80
  6. Step 6: Final answer
    x = 911,406.90

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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.