Home / 681,781.56-1,022,973.58-357,492.21

Finding the Fourth Proportional to 681,781.56, 1,022,973.58 and 357,492.21

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Solution

The fourth proportional to 681,781.56, 1,022,973.58 and 357,492.21 is: 536,396.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,781.56 : 1,022,973.58 = 357,492.21 : x
  2. Step 2: Convert to fraction form
    681,781.56/1,022,973.58 = 357,492.21/x
  3. Step 3: Cross multiply
    681,781.56x = 1,022,973.58 × 357,492.21
  4. Step 4: Simplify right side
    681,781.56x = 365,705,085,885.81
  5. Step 5: Solve for x
    x = 365,705,085,885.81/681,781.56
  6. Step 6: Final answer
    x = 536,396.27

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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.