Home / 628,292.76-942,434.70-254,310.36

Finding the Fourth Proportional to 628,292.76, 942,434.70 and 254,310.36

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Solution

The fourth proportional to 628,292.76, 942,434.70 and 254,310.36 is: 381,463.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,292.76 : 942,434.70 = 254,310.36 : x
  2. Step 2: Convert to fraction form
    628,292.76/942,434.70 = 254,310.36/x
  3. Step 3: Cross multiply
    628,292.76x = 942,434.70 × 254,310.36
  4. Step 4: Simplify right side
    628,292.76x = 239,670,907,833.49
  5. Step 5: Solve for x
    x = 239,670,907,833.49/628,292.76
  6. Step 6: Final answer
    x = 381,463.74

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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.