Home / 831,229.76-1,147,074.12-468,650.44

Finding the Fourth Proportional to 831,229.76, 1,147,074.12 and 468,650.44

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Solution

The fourth proportional to 831,229.76, 1,147,074.12 and 468,650.44 is: 646,724.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,229.76 : 1,147,074.12 = 468,650.44 : x
  2. Step 2: Convert to fraction form
    831,229.76/1,147,074.12 = 468,650.44/x
  3. Step 3: Cross multiply
    831,229.76x = 1,147,074.12 × 468,650.44
  4. Step 4: Simplify right side
    831,229.76x = 537,576,791,050.61
  5. Step 5: Solve for x
    x = 537,576,791,050.61/831,229.76
  6. Step 6: Final answer
    x = 646,724.67

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.