Home / 628,291.76-942,433.20-254,309.36

Finding the Fourth Proportional to 628,291.76, 942,433.20 and 254,309.36

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Solution

The fourth proportional to 628,291.76, 942,433.20 and 254,309.36 is: 381,462.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,291.76 : 942,433.20 = 254,309.36 : x
  2. Step 2: Convert to fraction form
    628,291.76/942,433.20 = 254,309.36/x
  3. Step 3: Cross multiply
    628,291.76x = 942,433.20 × 254,309.36
  4. Step 4: Simplify right side
    628,291.76x = 239,669,583,934.75
  5. Step 5: Solve for x
    x = 239,669,583,934.75/628,291.76
  6. Step 6: Final answer
    x = 381,462.24

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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.