Home / 768,917.92-1,061,136.74-424,771.60

Finding the Fourth Proportional to 768,917.92, 1,061,136.74 and 424,771.60

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Solution

The fourth proportional to 768,917.92, 1,061,136.74 and 424,771.60 is: 586,201.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,917.92 : 1,061,136.74 = 424,771.60 : x
  2. Step 2: Convert to fraction form
    768,917.92/1,061,136.74 = 424,771.60/x
  3. Step 3: Cross multiply
    768,917.92x = 1,061,136.74 × 424,771.60
  4. Step 4: Simplify right side
    768,917.92x = 450,740,750,868.58
  5. Step 5: Solve for x
    x = 450,740,750,868.58/768,917.92
  6. Step 6: Final answer
    x = 586,201.39

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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.