Home / 628,085.61-942,497.64-228,750.48

Finding the Fourth Proportional to 628,085.61, 942,497.64 and 228,750.48

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Solution

The fourth proportional to 628,085.61, 942,497.64 and 228,750.48 is: 343,260.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,085.61 : 942,497.64 = 228,750.48 : x
  2. Step 2: Convert to fraction form
    628,085.61/942,497.64 = 228,750.48/x
  3. Step 3: Cross multiply
    628,085.61x = 942,497.64 × 228,750.48
  4. Step 4: Simplify right side
    628,085.61x = 215,596,787,548.87
  5. Step 5: Solve for x
    x = 215,596,787,548.87/628,085.61
  6. Step 6: Final answer
    x = 343,260.19

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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.