Home / 827,215.06-1,240,908.90-228,176.32

Finding the Fourth Proportional to 827,215.06, 1,240,908.90 and 228,176.32

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Solution

The fourth proportional to 827,215.06, 1,240,908.90 and 228,176.32 is: 342,288.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,215.06 : 1,240,908.90 = 228,176.32 : x
  2. Step 2: Convert to fraction form
    827,215.06/1,240,908.90 = 228,176.32/x
  3. Step 3: Cross multiply
    827,215.06x = 1,240,908.90 × 228,176.32
  4. Step 4: Simplify right side
    827,215.06x = 283,146,026,257.25
  5. Step 5: Solve for x
    x = 283,146,026,257.25/827,215.06
  6. Step 6: Final answer
    x = 342,288.29

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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.