Home / 401,831.79-602,747.66-313,151.64

Finding the Fourth Proportional to 401,831.79, 602,747.66 and 313,151.64

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Solution

The fourth proportional to 401,831.79, 602,747.66 and 313,151.64 is: 469,727.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,831.79 : 602,747.66 = 313,151.64 : x
  2. Step 2: Convert to fraction form
    401,831.79/602,747.66 = 313,151.64/x
  3. Step 3: Cross multiply
    401,831.79x = 602,747.66 × 313,151.64
  4. Step 4: Simplify right side
    401,831.79x = 188,751,416,669.40
  5. Step 5: Solve for x
    x = 188,751,416,669.40/401,831.79
  6. Step 6: Final answer
    x = 469,727.44

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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.