Home / 855,261.80-1,283,007.90-294,468.20

Finding the Fourth Proportional to 855,261.80, 1,283,007.90 and 294,468.20

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Solution

The fourth proportional to 855,261.80, 1,283,007.90 and 294,468.20 is: 441,741.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,261.80 : 1,283,007.90 = 294,468.20 : x
  2. Step 2: Convert to fraction form
    855,261.80/1,283,007.90 = 294,468.20/x
  3. Step 3: Cross multiply
    855,261.80x = 1,283,007.90 × 294,468.20
  4. Step 4: Simplify right side
    855,261.80x = 377,805,026,898.78
  5. Step 5: Solve for x
    x = 377,805,026,898.78/855,261.80
  6. Step 6: Final answer
    x = 441,741.96

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1.5x scale

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.