Home / 628,690.48-942,506.74-273,436.94

Finding the Fourth Proportional to 628,690.48, 942,506.74 and 273,436.94

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Solution

The fourth proportional to 628,690.48, 942,506.74 and 273,436.94 is: 409,925.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,690.48 : 942,506.74 = 273,436.94 : x
  2. Step 2: Convert to fraction form
    628,690.48/942,506.74 = 273,436.94/x
  3. Step 3: Cross multiply
    628,690.48x = 942,506.74 × 273,436.94
  4. Step 4: Simplify right side
    628,690.48x = 257,716,158,914.98
  5. Step 5: Solve for x
    x = 257,716,158,914.98/628,690.48
  6. Step 6: Final answer
    x = 409,925.34

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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.