Home / 681,901.70-1,022,852.55-416,181.20

Finding the Fourth Proportional to 681,901.70, 1,022,852.55 and 416,181.20

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Solution

The fourth proportional to 681,901.70, 1,022,852.55 and 416,181.20 is: 624,271.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,901.70 : 1,022,852.55 = 416,181.20 : x
  2. Step 2: Convert to fraction form
    681,901.70/1,022,852.55 = 416,181.20/x
  3. Step 3: Cross multiply
    681,901.70x = 1,022,852.55 × 416,181.20
  4. Step 4: Simplify right side
    681,901.70x = 425,692,001,682.06
  5. Step 5: Solve for x
    x = 425,692,001,682.06/681,901.70
  6. Step 6: Final answer
    x = 624,271.80

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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.