Home / 831,717.35-1,247,621.40-263,055.98

Finding the Fourth Proportional to 831,717.35, 1,247,621.40 and 263,055.98

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Solution

The fourth proportional to 831,717.35, 1,247,621.40 and 263,055.98 is: 394,598.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,717.35 : 1,247,621.40 = 263,055.98 : x
  2. Step 2: Convert to fraction form
    831,717.35/1,247,621.40 = 263,055.98/x
  3. Step 3: Cross multiply
    831,717.35x = 1,247,621.40 × 263,055.98
  4. Step 4: Simplify right side
    831,717.35x = 328,194,270,045.97
  5. Step 5: Solve for x
    x = 328,194,270,045.97/831,717.35
  6. Step 6: Final answer
    x = 394,598.32

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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.