Home / 554,439.78-831,327.98-269,569.67

Finding the Fourth Proportional to 554,439.78, 831,327.98 and 269,569.67

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Solution

The fourth proportional to 554,439.78, 831,327.98 and 269,569.67 is: 404,193.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,439.78 : 831,327.98 = 269,569.67 : x
  2. Step 2: Convert to fraction form
    554,439.78/831,327.98 = 269,569.67/x
  3. Step 3: Cross multiply
    554,439.78x = 831,327.98 × 269,569.67
  4. Step 4: Simplify right side
    554,439.78x = 224,100,803,725.88
  5. Step 5: Solve for x
    x = 224,100,803,725.88/554,439.78
  6. Step 6: Final answer
    x = 404,193.23

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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.