Home / 855,481.20-1,283,221.80-590,060.40

Finding the Fourth Proportional to 855,481.20, 1,283,221.80 and 590,060.40

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Solution

The fourth proportional to 855,481.20, 1,283,221.80 and 590,060.40 is: 885,090.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,481.20 : 1,283,221.80 = 590,060.40 : x
  2. Step 2: Convert to fraction form
    855,481.20/1,283,221.80 = 590,060.40/x
  3. Step 3: Cross multiply
    855,481.20x = 1,283,221.80 × 590,060.40
  4. Step 4: Simplify right side
    855,481.20x = 757,178,368,596.72
  5. Step 5: Solve for x
    x = 757,178,368,596.72/855,481.20
  6. Step 6: Final answer
    x = 885,090.60

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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.