Home / 746,514.30-1,119,771.45-443,396.10

Finding the Fourth Proportional to 746,514.30, 1,119,771.45 and 443,396.10

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Solution

The fourth proportional to 746,514.30, 1,119,771.45 and 443,396.10 is: 665,094.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,514.30 : 1,119,771.45 = 443,396.10 : x
  2. Step 2: Convert to fraction form
    746,514.30/1,119,771.45 = 443,396.10/x
  3. Step 3: Cross multiply
    746,514.30x = 1,119,771.45 × 443,396.10
  4. Step 4: Simplify right side
    746,514.30x = 496,502,293,821.35
  5. Step 5: Solve for x
    x = 496,502,293,821.35/746,514.30
  6. Step 6: Final answer
    x = 665,094.15

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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.