Home / 648,679.66-973,112.35-199,438.25

Finding the Fourth Proportional to 648,679.66, 973,112.35 and 199,438.25

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Solution

The fourth proportional to 648,679.66, 973,112.35 and 199,438.25 is: 299,185.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,679.66 : 973,112.35 = 199,438.25 : x
  2. Step 2: Convert to fraction form
    648,679.66/973,112.35 = 199,438.25/x
  3. Step 3: Cross multiply
    648,679.66x = 973,112.35 × 199,438.25
  4. Step 4: Simplify right side
    648,679.66x = 194,075,824,137.39
  5. Step 5: Solve for x
    x = 194,075,824,137.39/648,679.66
  6. Step 6: Final answer
    x = 299,185.93

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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.