Home / 681,966.40-1,022,949.60-238,779.20

Finding the Fourth Proportional to 681,966.40, 1,022,949.60 and 238,779.20

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Solution

The fourth proportional to 681,966.40, 1,022,949.60 and 238,779.20 is: 358,168.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,966.40 : 1,022,949.60 = 238,779.20 : x
  2. Step 2: Convert to fraction form
    681,966.40/1,022,949.60 = 238,779.20/x
  3. Step 3: Cross multiply
    681,966.40x = 1,022,949.60 × 238,779.20
  4. Step 4: Simplify right side
    681,966.40x = 244,259,087,128.32
  5. Step 5: Solve for x
    x = 244,259,087,128.32/681,966.40
  6. Step 6: Final answer
    x = 358,168.80

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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.