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Finding the Fourth Proportional to 658,571.49, 908,846.37 and 372,085.47

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Solution

The fourth proportional to 658,571.49, 908,846.37 and 372,085.47 is: 513,487.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,571.49 : 908,846.37 = 372,085.47 : x
  2. Step 2: Convert to fraction form
    658,571.49/908,846.37 = 372,085.47/x
  3. Step 3: Cross multiply
    658,571.49x = 908,846.37 × 372,085.47
  4. Step 4: Simplify right side
    658,571.49x = 338,168,528,739.24
  5. Step 5: Solve for x
    x = 338,168,528,739.24/658,571.49
  6. Step 6: Final answer
    x = 513,487.96

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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.