Home / 831,358.20-1,147,176.83-468,760.46

Finding the Fourth Proportional to 831,358.20, 1,147,176.83 and 468,760.46

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Solution

The fourth proportional to 831,358.20, 1,147,176.83 and 468,760.46 is: 646,834.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,358.20 : 1,147,176.83 = 468,760.46 : x
  2. Step 2: Convert to fraction form
    831,358.20/1,147,176.83 = 468,760.46/x
  3. Step 3: Cross multiply
    831,358.20x = 1,147,176.83 × 468,760.46
  4. Step 4: Simplify right side
    831,358.20x = 537,751,130,452.46
  5. Step 5: Solve for x
    x = 537,751,130,452.46/831,358.20
  6. Step 6: Final answer
    x = 646,834.46

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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.