Home / 867,289.92-1,300,611.60-298,512.24

Finding the Fourth Proportional to 867,289.92, 1,300,611.60 and 298,512.24

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Solution

The fourth proportional to 867,289.92, 1,300,611.60 and 298,512.24 is: 447,657.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,289.92 : 1,300,611.60 = 298,512.24 : x
  2. Step 2: Convert to fraction form
    867,289.92/1,300,611.60 = 298,512.24/x
  3. Step 3: Cross multiply
    867,289.92x = 1,300,611.60 × 298,512.24
  4. Step 4: Simplify right side
    867,289.92x = 388,248,482,085.98
  5. Step 5: Solve for x
    x = 388,248,482,085.98/867,289.92
  6. Step 6: Final answer
    x = 447,657.09

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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.