Home / 743,157.84-1,114,736.72-210,683.46

Finding the Fourth Proportional to 743,157.84, 1,114,736.72 and 210,683.46

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Solution

The fourth proportional to 743,157.84, 1,114,736.72 and 210,683.46 is: 316,025.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,157.84 : 1,114,736.72 = 210,683.46 : x
  2. Step 2: Convert to fraction form
    743,157.84/1,114,736.72 = 210,683.46/x
  3. Step 3: Cross multiply
    743,157.84x = 1,114,736.72 × 210,683.46
  4. Step 4: Simplify right side
    743,157.84x = 234,856,589,158.65
  5. Step 5: Solve for x
    x = 234,856,589,158.65/743,157.84
  6. Step 6: Final answer
    x = 316,025.18

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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.