Home / 438,255.09-604,792.64-247,286.25

Finding the Fourth Proportional to 438,255.09, 604,792.64 and 247,286.25

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Solution

The fourth proportional to 438,255.09, 604,792.64 and 247,286.25 is: 341,255.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,255.09 : 604,792.64 = 247,286.25 : x
  2. Step 2: Convert to fraction form
    438,255.09/604,792.64 = 247,286.25/x
  3. Step 3: Cross multiply
    438,255.09x = 604,792.64 × 247,286.25
  4. Step 4: Simplify right side
    438,255.09x = 149,556,903,973.20
  5. Step 5: Solve for x
    x = 149,556,903,973.20/438,255.09
  6. Step 6: Final answer
    x = 341,255.37

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1.5x scale

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.