Home / 855,260.80-1,283,006.40-294,467.20

Finding the Fourth Proportional to 855,260.80, 1,283,006.40 and 294,467.20

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Solution

The fourth proportional to 855,260.80, 1,283,006.40 and 294,467.20 is: 441,740.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,260.80 : 1,283,006.40 = 294,467.20 : x
  2. Step 2: Convert to fraction form
    855,260.80/1,283,006.40 = 294,467.20/x
  3. Step 3: Cross multiply
    855,260.80x = 1,283,006.40 × 294,467.20
  4. Step 4: Simplify right side
    855,260.80x = 377,803,302,190.08
  5. Step 5: Solve for x
    x = 377,803,302,190.08/855,260.80
  6. Step 6: Final answer
    x = 441,740.46

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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.