Home / 683,824.60-1,025,736.90-310,576.60

Finding the Fourth Proportional to 683,824.60, 1,025,736.90 and 310,576.60

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Solution

The fourth proportional to 683,824.60, 1,025,736.90 and 310,576.60 is: 465,864.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,824.60 : 1,025,736.90 = 310,576.60 : x
  2. Step 2: Convert to fraction form
    683,824.60/1,025,736.90 = 310,576.60/x
  3. Step 3: Cross multiply
    683,824.60x = 1,025,736.90 × 310,576.60
  4. Step 4: Simplify right side
    683,824.60x = 318,569,878,896.54
  5. Step 5: Solve for x
    x = 318,569,878,896.54/683,824.60
  6. Step 6: Final answer
    x = 465,864.90

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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.