Home / 751,197.76-1,036,647.66-411,658.72

Finding the Fourth Proportional to 751,197.76, 1,036,647.66 and 411,658.72

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Solution

The fourth proportional to 751,197.76, 1,036,647.66 and 411,658.72 is: 568,086.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,197.76 : 1,036,647.66 = 411,658.72 : x
  2. Step 2: Convert to fraction form
    751,197.76/1,036,647.66 = 411,658.72/x
  3. Step 3: Cross multiply
    751,197.76x = 1,036,647.66 × 411,658.72
  4. Step 4: Simplify right side
    751,197.76x = 426,745,048,806.60
  5. Step 5: Solve for x
    x = 426,745,048,806.60/751,197.76
  6. Step 6: Final answer
    x = 568,086.16

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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.