Home / 454,738.24-627,430.87-258,489.31

Finding the Fourth Proportional to 454,738.24, 627,430.87 and 258,489.31

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Solution

The fourth proportional to 454,738.24, 627,430.87 and 258,489.31 is: 356,653.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,738.24 : 627,430.87 = 258,489.31 : x
  2. Step 2: Convert to fraction form
    454,738.24/627,430.87 = 258,489.31/x
  3. Step 3: Cross multiply
    454,738.24x = 627,430.87 × 258,489.31
  4. Step 4: Simplify right side
    454,738.24x = 162,184,172,659.00
  5. Step 5: Solve for x
    x = 162,184,172,659.00/454,738.24
  6. Step 6: Final answer
    x = 356,653.91

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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.