Home / 401,829.54-602,744.28-313,149.39

Finding the Fourth Proportional to 401,829.54, 602,744.28 and 313,149.39

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Solution

The fourth proportional to 401,829.54, 602,744.28 and 313,149.39 is: 469,724.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,829.54 : 602,744.28 = 313,149.39 : x
  2. Step 2: Convert to fraction form
    401,829.54/602,744.28 = 313,149.39/x
  3. Step 3: Cross multiply
    401,829.54x = 602,744.28 × 313,149.39
  4. Step 4: Simplify right side
    401,829.54x = 188,749,003,607.99
  5. Step 5: Solve for x
    x = 188,749,003,607.99/401,829.54
  6. Step 6: Final answer
    x = 469,724.06

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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.