Home / 856,460.40-1,284,388.20-295,364.40

Finding the Fourth Proportional to 856,460.40, 1,284,388.20 and 295,364.40

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Solution

The fourth proportional to 856,460.40, 1,284,388.20 and 295,364.40 is: 442,942.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,460.40 : 1,284,388.20 = 295,364.40 : x
  2. Step 2: Convert to fraction form
    856,460.40/1,284,388.20 = 295,364.40/x
  3. Step 3: Cross multiply
    856,460.40x = 1,284,388.20 × 295,364.40
  4. Step 4: Simplify right side
    856,460.40x = 379,362,550,060.08
  5. Step 5: Solve for x
    x = 379,362,550,060.08/856,460.40
  6. Step 6: Final answer
    x = 442,942.31

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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.