Home / 984,688.25-1,477,281.44-274,715.96

Finding the Fourth Proportional to 984,688.25, 1,477,281.44 and 274,715.96

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Solution

The fourth proportional to 984,688.25, 1,477,281.44 and 274,715.96 is: 412,143.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,688.25 : 1,477,281.44 = 274,715.96 : x
  2. Step 2: Convert to fraction form
    984,688.25/1,477,281.44 = 274,715.96/x
  3. Step 3: Cross multiply
    984,688.25x = 1,477,281.44 × 274,715.96
  4. Step 4: Simplify right side
    984,688.25x = 405,832,782,280.17
  5. Step 5: Solve for x
    x = 405,832,782,280.17/984,688.25
  6. Step 6: Final answer
    x = 412,143.42

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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.