Home / 814,813.38-1,124,581.62-470,587.44

Finding the Fourth Proportional to 814,813.38, 1,124,581.62 and 470,587.44

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Solution

The fourth proportional to 814,813.38, 1,124,581.62 and 470,587.44 is: 649,491.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,813.38 : 1,124,581.62 = 470,587.44 : x
  2. Step 2: Convert to fraction form
    814,813.38/1,124,581.62 = 470,587.44/x
  3. Step 3: Cross multiply
    814,813.38x = 1,124,581.62 × 470,587.44
  4. Step 4: Simplify right side
    814,813.38x = 529,213,985,626.85
  5. Step 5: Solve for x
    x = 529,213,985,626.85/814,813.38
  6. Step 6: Final answer
    x = 649,491.04

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.