Home / 831,125.68-1,246,688.87-200,039.50

Finding the Fourth Proportional to 831,125.68, 1,246,688.87 and 200,039.50

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Solution

The fourth proportional to 831,125.68, 1,246,688.87 and 200,039.50 is: 300,059.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,125.68 : 1,246,688.87 = 200,039.50 : x
  2. Step 2: Convert to fraction form
    831,125.68/1,246,688.87 = 200,039.50/x
  3. Step 3: Cross multiply
    831,125.68x = 1,246,688.87 × 200,039.50
  4. Step 4: Simplify right side
    831,125.68x = 249,387,011,226.77
  5. Step 5: Solve for x
    x = 249,387,011,226.77/831,125.68
  6. Step 6: Final answer
    x = 300,059.32

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Double scale
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Similar ratio
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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.