Home / 500,146.74-751,845.78-401,389.08

Finding the Fourth Proportional to 500,146.74, 751,845.78 and 401,389.08

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Solution

The fourth proportional to 500,146.74, 751,845.78 and 401,389.08 is: 603,388.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,146.74 : 751,845.78 = 401,389.08 : x
  2. Step 2: Convert to fraction form
    500,146.74/751,845.78 = 401,389.08/x
  3. Step 3: Cross multiply
    500,146.74x = 751,845.78 × 401,389.08
  4. Step 4: Simplify right side
    500,146.74x = 301,782,685,936.08
  5. Step 5: Solve for x
    x = 301,782,685,936.08/500,146.74
  6. Step 6: Final answer
    x = 603,388.29

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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.