Home / 380,943.73-571,510.77-268,842.77

Finding the Fourth Proportional to 380,943.73, 571,510.77 and 268,842.77

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Solution

The fourth proportional to 380,943.73, 571,510.77 and 268,842.77 is: 403,331.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,943.73 : 571,510.77 = 268,842.77 : x
  2. Step 2: Convert to fraction form
    380,943.73/571,510.77 = 268,842.77/x
  3. Step 3: Cross multiply
    380,943.73x = 571,510.77 × 268,842.77
  4. Step 4: Simplify right side
    380,943.73x = 153,646,538,491.63
  5. Step 5: Solve for x
    x = 153,646,538,491.63/380,943.73
  6. Step 6: Final answer
    x = 403,331.32

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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.