Home / 428,077.23-590,745.06-246,788.28

Finding the Fourth Proportional to 428,077.23, 590,745.06 and 246,788.28

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Solution

The fourth proportional to 428,077.23, 590,745.06 and 246,788.28 is: 340,566.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,077.23 : 590,745.06 = 246,788.28 : x
  2. Step 2: Convert to fraction form
    428,077.23/590,745.06 = 246,788.28/x
  3. Step 3: Cross multiply
    428,077.23x = 590,745.06 × 246,788.28
  4. Step 4: Simplify right side
    428,077.23x = 145,788,957,275.90
  5. Step 5: Solve for x
    x = 145,788,957,275.90/428,077.23
  6. Step 6: Final answer
    x = 340,566.95

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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.