Home / 781,271.73-1,078,523.53-587,753.29

Finding the Fourth Proportional to 781,271.73, 1,078,523.53 and 587,753.29

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Solution

The fourth proportional to 781,271.73, 1,078,523.53 and 587,753.29 is: 811,376.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,271.73 : 1,078,523.53 = 587,753.29 : x
  2. Step 2: Convert to fraction form
    781,271.73/1,078,523.53 = 587,753.29/x
  3. Step 3: Cross multiply
    781,271.73x = 1,078,523.53 × 587,753.29
  4. Step 4: Simplify right side
    781,271.73x = 633,905,751,598.39
  5. Step 5: Solve for x
    x = 633,905,751,598.39/781,271.73
  6. Step 6: Final answer
    x = 811,376.79

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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.