Home / 603,172.58-831,916.93-409,729.45

Finding the Fourth Proportional to 603,172.58, 831,916.93 and 409,729.45

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Solution

The fourth proportional to 603,172.58, 831,916.93 and 409,729.45 is: 565,113.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,172.58 : 831,916.93 = 409,729.45 : x
  2. Step 2: Convert to fraction form
    603,172.58/831,916.93 = 409,729.45/x
  3. Step 3: Cross multiply
    603,172.58x = 831,916.93 × 409,729.45
  4. Step 4: Simplify right side
    603,172.58x = 340,860,866,174.59
  5. Step 5: Solve for x
    x = 340,860,866,174.59/603,172.58
  6. Step 6: Final answer
    x = 565,113.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.