Home / 746,697.60-1,120,046.40-448,099.20

Finding the Fourth Proportional to 746,697.60, 1,120,046.40 and 448,099.20

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Solution

The fourth proportional to 746,697.60, 1,120,046.40 and 448,099.20 is: 672,148.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,697.60 : 1,120,046.40 = 448,099.20 : x
  2. Step 2: Convert to fraction form
    746,697.60/1,120,046.40 = 448,099.20/x
  3. Step 3: Cross multiply
    746,697.60x = 1,120,046.40 × 448,099.20
  4. Step 4: Simplify right side
    746,697.60x = 501,891,895,802.88
  5. Step 5: Solve for x
    x = 501,891,895,802.88/746,697.60
  6. Step 6: Final answer
    x = 672,148.80

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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.