Home / 628,688.98-942,504.49-273,435.44

Finding the Fourth Proportional to 628,688.98, 942,504.49 and 273,435.44

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Solution

The fourth proportional to 628,688.98, 942,504.49 and 273,435.44 is: 409,923.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,688.98 : 942,504.49 = 273,435.44 : x
  2. Step 2: Convert to fraction form
    628,688.98/942,504.49 = 273,435.44/x
  3. Step 3: Cross multiply
    628,688.98x = 942,504.49 × 273,435.44
  4. Step 4: Simplify right side
    628,688.98x = 257,714,125,554.40
  5. Step 5: Solve for x
    x = 257,714,125,554.40/628,688.98
  6. Step 6: Final answer
    x = 409,923.08

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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.