Home / 831,546.66-1,248,021.04-326,462.36

Finding the Fourth Proportional to 831,546.66, 1,248,021.04 and 326,462.36

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Solution

The fourth proportional to 831,546.66, 1,248,021.04 and 326,462.36 is: 489,968.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,546.66 : 1,248,021.04 = 326,462.36 : x
  2. Step 2: Convert to fraction form
    831,546.66/1,248,021.04 = 326,462.36/x
  3. Step 3: Cross multiply
    831,546.66x = 1,248,021.04 × 326,462.36
  4. Step 4: Simplify right side
    831,546.66x = 407,431,894,048.05
  5. Step 5: Solve for x
    x = 407,431,894,048.05/831,546.66
  6. Step 6: Final answer
    x = 489,968.77

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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.