Home / 380,941.73-571,507.77-268,840.77

Finding the Fourth Proportional to 380,941.73, 571,507.77 and 268,840.77

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Solution

The fourth proportional to 380,941.73, 571,507.77 and 268,840.77 is: 403,328.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,941.73 : 571,507.77 = 268,840.77 : x
  2. Step 2: Convert to fraction form
    380,941.73/571,507.77 = 268,840.77/x
  3. Step 3: Cross multiply
    380,941.73x = 571,507.77 × 268,840.77
  4. Step 4: Simplify right side
    380,941.73x = 153,644,584,746.04
  5. Step 5: Solve for x
    x = 153,644,584,746.04/380,941.73
  6. Step 6: Final answer
    x = 403,328.31

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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.