Home / 628,257.74-942,382.29-254,275.34

Finding the Fourth Proportional to 628,257.74, 942,382.29 and 254,275.34

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Solution

The fourth proportional to 628,257.74, 942,382.29 and 254,275.34 is: 381,411.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,257.74 : 942,382.29 = 254,275.34 : x
  2. Step 2: Convert to fraction form
    628,257.74/942,382.29 = 254,275.34/x
  3. Step 3: Cross multiply
    628,257.74x = 942,382.29 × 254,275.34
  4. Step 4: Simplify right side
    628,257.74x = 239,624,577,199.73
  5. Step 5: Solve for x
    x = 239,624,577,199.73/628,257.74
  6. Step 6: Final answer
    x = 381,411.26

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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.