Home / 648,660.09-973,083.08-199,418.57

Finding the Fourth Proportional to 648,660.09, 973,083.08 and 199,418.57

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Solution

The fourth proportional to 648,660.09, 973,083.08 and 199,418.57 is: 299,156.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,660.09 : 973,083.08 = 199,418.57 : x
  2. Step 2: Convert to fraction form
    648,660.09/973,083.08 = 199,418.57/x
  3. Step 3: Cross multiply
    648,660.09x = 973,083.08 × 199,418.57
  4. Step 4: Simplify right side
    648,660.09x = 194,050,831,937.93
  5. Step 5: Solve for x
    x = 194,050,831,937.93/648,660.09
  6. Step 6: Final answer
    x = 299,156.42

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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.