Home / 743,190.60-1,114,785.90-493,872.60

Finding the Fourth Proportional to 743,190.60, 1,114,785.90 and 493,872.60

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Solution

The fourth proportional to 743,190.60, 1,114,785.90 and 493,872.60 is: 740,808.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,190.60 : 1,114,785.90 = 493,872.60 : x
  2. Step 2: Convert to fraction form
    743,190.60/1,114,785.90 = 493,872.60/x
  3. Step 3: Cross multiply
    743,190.60x = 1,114,785.90 × 493,872.60
  4. Step 4: Simplify right side
    743,190.60x = 550,562,210,876.34
  5. Step 5: Solve for x
    x = 550,562,210,876.34/743,190.60
  6. Step 6: Final answer
    x = 740,808.90

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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.