Home / 628,257.24-942,381.54-254,274.84

Finding the Fourth Proportional to 628,257.24, 942,381.54 and 254,274.84

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Solution

The fourth proportional to 628,257.24, 942,381.54 and 254,274.84 is: 381,410.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,257.24 : 942,381.54 = 254,274.84 : x
  2. Step 2: Convert to fraction form
    628,257.24/942,381.54 = 254,274.84/x
  3. Step 3: Cross multiply
    628,257.24x = 942,381.54 × 254,274.84
  4. Step 4: Simplify right side
    628,257.24x = 239,623,915,302.45
  5. Step 5: Solve for x
    x = 239,623,915,302.45/628,257.24
  6. Step 6: Final answer
    x = 381,410.51

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1.5x scale

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.