Home / 831,119.60-1,246,218.60-357,724.40

Finding the Fourth Proportional to 831,119.60, 1,246,218.60 and 357,724.40

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Solution

The fourth proportional to 831,119.60, 1,246,218.60 and 357,724.40 is: 536,388.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,119.60 : 1,246,218.60 = 357,724.40 : x
  2. Step 2: Convert to fraction form
    831,119.60/1,246,218.60 = 357,724.40/x
  3. Step 3: Cross multiply
    831,119.60x = 1,246,218.60 × 357,724.40
  4. Step 4: Simplify right side
    831,119.60x = 445,802,800,953.84
  5. Step 5: Solve for x
    x = 445,802,800,953.84/831,119.60
  6. Step 6: Final answer
    x = 536,388.27

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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.