Home / 873,821.23-1,310,778.56-274,829.10

Finding the Fourth Proportional to 873,821.23, 1,310,778.56 and 274,829.10

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Solution

The fourth proportional to 873,821.23, 1,310,778.56 and 274,829.10 is: 412,258.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,821.23 : 1,310,778.56 = 274,829.10 : x
  2. Step 2: Convert to fraction form
    873,821.23/1,310,778.56 = 274,829.10/x
  3. Step 3: Cross multiply
    873,821.23x = 1,310,778.56 × 274,829.10
  4. Step 4: Simplify right side
    873,821.23x = 360,240,091,944.10
  5. Step 5: Solve for x
    x = 360,240,091,944.10/873,821.23
  6. Step 6: Final answer
    x = 412,258.34

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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.