Home / 831,336.57-1,247,185.74-254,960.16

Finding the Fourth Proportional to 831,336.57, 1,247,185.74 and 254,960.16

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Solution

The fourth proportional to 831,336.57, 1,247,185.74 and 254,960.16 is: 382,495.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,336.57 : 1,247,185.74 = 254,960.16 : x
  2. Step 2: Convert to fraction form
    831,336.57/1,247,185.74 = 254,960.16/x
  3. Step 3: Cross multiply
    831,336.57x = 1,247,185.74 × 254,960.16
  4. Step 4: Simplify right side
    831,336.57x = 317,982,675,820.12
  5. Step 5: Solve for x
    x = 317,982,675,820.12/831,336.57
  6. Step 6: Final answer
    x = 382,495.72

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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.