Home / 831,129.60-1,246,233.60-357,734.40

Finding the Fourth Proportional to 831,129.60, 1,246,233.60 and 357,734.40

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Solution

The fourth proportional to 831,129.60, 1,246,233.60 and 357,734.40 is: 536,403.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,129.60 : 1,246,233.60 = 357,734.40 : x
  2. Step 2: Convert to fraction form
    831,129.60/1,246,233.60 = 357,734.40/x
  3. Step 3: Cross multiply
    831,129.60x = 1,246,233.60 × 357,734.40
  4. Step 4: Simplify right side
    831,129.60x = 445,820,629,155.84
  5. Step 5: Solve for x
    x = 445,820,629,155.84/831,129.60
  6. Step 6: Final answer
    x = 536,403.26

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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.