Home / 648,642.44-973,056.67-199,400.98

Finding the Fourth Proportional to 648,642.44, 973,056.67 and 199,400.98

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Solution

The fourth proportional to 648,642.44, 973,056.67 and 199,400.98 is: 299,130.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,642.44 : 973,056.67 = 199,400.98 : x
  2. Step 2: Convert to fraction form
    648,642.44/973,056.67 = 199,400.98/x
  3. Step 3: Cross multiply
    648,642.44x = 973,056.67 × 199,400.98
  4. Step 4: Simplify right side
    648,642.44x = 194,028,451,679.33
  5. Step 5: Solve for x
    x = 194,028,451,679.33/648,642.44
  6. Step 6: Final answer
    x = 299,130.06

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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.