Home / 476,418.89-657,462.79-258,629.25

Finding the Fourth Proportional to 476,418.89, 657,462.79 and 258,629.25

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Solution

The fourth proportional to 476,418.89, 657,462.79 and 258,629.25 is: 356,910.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,418.89 : 657,462.79 = 258,629.25 : x
  2. Step 2: Convert to fraction form
    476,418.89/657,462.79 = 258,629.25/x
  3. Step 3: Cross multiply
    476,418.89x = 657,462.79 × 258,629.25
  4. Step 4: Simplify right side
    476,418.89x = 170,039,108,280.61
  5. Step 5: Solve for x
    x = 170,039,108,280.61/476,418.89
  6. Step 6: Final answer
    x = 356,910.93

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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.