Home / 743,158.26-1,114,737.39-210,683.90

Finding the Fourth Proportional to 743,158.26, 1,114,737.39 and 210,683.90

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Solution

The fourth proportional to 743,158.26, 1,114,737.39 and 210,683.90 is: 316,025.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,158.26 : 1,114,737.39 = 210,683.90 : x
  2. Step 2: Convert to fraction form
    743,158.26/1,114,737.39 = 210,683.90/x
  3. Step 3: Cross multiply
    743,158.26x = 1,114,737.39 × 210,683.90
  4. Step 4: Simplify right side
    743,158.26x = 234,857,223,587.86
  5. Step 5: Solve for x
    x = 234,857,223,587.86/743,158.26
  6. Step 6: Final answer
    x = 316,025.85

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Double scale
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Similar ratio
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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.