Home / 831,251.55-1,147,104.12-468,672.21

Finding the Fourth Proportional to 831,251.55, 1,147,104.12 and 468,672.21

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Solution

The fourth proportional to 831,251.55, 1,147,104.12 and 468,672.21 is: 646,754.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,251.55 : 1,147,104.12 = 468,672.21 : x
  2. Step 2: Convert to fraction form
    831,251.55/1,147,104.12 = 468,672.21/x
  3. Step 3: Cross multiply
    831,251.55x = 1,147,104.12 × 468,672.21
  4. Step 4: Simplify right side
    831,251.55x = 537,615,823,020.51
  5. Step 5: Solve for x
    x = 537,615,823,020.51/831,251.55
  6. Step 6: Final answer
    x = 646,754.67

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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.