Home / 476,419.39-657,463.48-258,629.75

Finding the Fourth Proportional to 476,419.39, 657,463.48 and 258,629.75

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Solution

The fourth proportional to 476,419.39, 657,463.48 and 258,629.75 is: 356,911.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,419.39 : 657,463.48 = 258,629.75 : x
  2. Step 2: Convert to fraction form
    476,419.39/657,463.48 = 258,629.75/x
  3. Step 3: Cross multiply
    476,419.39x = 657,463.48 × 258,629.75
  4. Step 4: Simplify right side
    476,419.39x = 170,039,615,466.53
  5. Step 5: Solve for x
    x = 170,039,615,466.53/476,419.39
  6. Step 6: Final answer
    x = 356,911.62

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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.