Home / 401,728.02-602,237.25-307,379.33

Finding the Fourth Proportional to 401,728.02, 602,237.25 and 307,379.33

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Solution

The fourth proportional to 401,728.02, 602,237.25 and 307,379.33 is: 460,797.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,728.02 : 602,237.25 = 307,379.33 : x
  2. Step 2: Convert to fraction form
    401,728.02/602,237.25 = 307,379.33/x
  3. Step 3: Cross multiply
    401,728.02x = 602,237.25 × 307,379.33
  4. Step 4: Simplify right side
    401,728.02x = 185,115,283,911.64
  5. Step 5: Solve for x
    x = 185,115,283,911.64/401,728.02
  6. Step 6: Final answer
    x = 460,797.54

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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.