Home / 531,112.60-796,668.90-426,136.60

Finding the Fourth Proportional to 531,112.60, 796,668.90 and 426,136.60

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Solution

The fourth proportional to 531,112.60, 796,668.90 and 426,136.60 is: 639,204.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,112.60 : 796,668.90 = 426,136.60 : x
  2. Step 2: Convert to fraction form
    531,112.60/796,668.90 = 426,136.60/x
  3. Step 3: Cross multiply
    531,112.60x = 796,668.90 × 426,136.60
  4. Step 4: Simplify right side
    531,112.60x = 339,489,776,371.74
  5. Step 5: Solve for x
    x = 339,489,776,371.74/531,112.60
  6. Step 6: Final answer
    x = 639,204.90

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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.