Home / 855,563.10-1,285,245.45-715,595.10

Finding the Fourth Proportional to 855,563.10, 1,285,245.45 and 715,595.10

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Solution

The fourth proportional to 855,563.10, 1,285,245.45 and 715,595.10 is: 1,074,982.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,563.10 : 1,285,245.45 = 715,595.10 : x
  2. Step 2: Convert to fraction form
    855,563.10/1,285,245.45 = 715,595.10/x
  3. Step 3: Cross multiply
    855,563.10x = 1,285,245.45 × 715,595.10
  4. Step 4: Simplify right side
    855,563.10x = 919,715,346,317.30
  5. Step 5: Solve for x
    x = 919,715,346,317.30/855,563.10
  6. Step 6: Final answer
    x = 1,074,982.48

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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.