Home / 654,721.49-982,123.76-205,460.08

Finding the Fourth Proportional to 654,721.49, 982,123.76 and 205,460.08

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Solution

The fourth proportional to 654,721.49, 982,123.76 and 205,460.08 is: 308,203.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,721.49 : 982,123.76 = 205,460.08 : x
  2. Step 2: Convert to fraction form
    654,721.49/982,123.76 = 205,460.08/x
  3. Step 3: Cross multiply
    654,721.49x = 982,123.76 × 205,460.08
  4. Step 4: Simplify right side
    654,721.49x = 201,787,224,357.84
  5. Step 5: Solve for x
    x = 201,787,224,357.84/654,721.49
  6. Step 6: Final answer
    x = 308,203.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.