Home / 401,828.04-602,742.03-313,147.89

Finding the Fourth Proportional to 401,828.04, 602,742.03 and 313,147.89

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Solution

The fourth proportional to 401,828.04, 602,742.03 and 313,147.89 is: 469,721.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,828.04 : 602,742.03 = 313,147.89 : x
  2. Step 2: Convert to fraction form
    401,828.04/602,742.03 = 313,147.89/x
  3. Step 3: Cross multiply
    401,828.04x = 602,742.03 × 313,147.89
  4. Step 4: Simplify right side
    401,828.04x = 188,747,394,908.82
  5. Step 5: Solve for x
    x = 188,747,394,908.82/401,828.04
  6. Step 6: Final answer
    x = 469,721.81

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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.