Home / 996,440.70-1,493,640.45-490,223.10

Finding the Fourth Proportional to 996,440.70, 1,493,640.45 and 490,223.10

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Solution

The fourth proportional to 996,440.70, 1,493,640.45 and 490,223.10 is: 734,832.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,440.70 : 1,493,640.45 = 490,223.10 : x
  2. Step 2: Convert to fraction form
    996,440.70/1,493,640.45 = 490,223.10/x
  3. Step 3: Cross multiply
    996,440.70x = 1,493,640.45 × 490,223.10
  4. Step 4: Simplify right side
    996,440.70x = 732,217,051,684.40
  5. Step 5: Solve for x
    x = 732,217,051,684.40/996,440.70
  6. Step 6: Final answer
    x = 734,832.54

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Double scale
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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.