Home / 855,528.16-1,285,618.56-456,450.88

Finding the Fourth Proportional to 855,528.16, 1,285,618.56 and 456,450.88

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Solution

The fourth proportional to 855,528.16, 1,285,618.56 and 456,450.88 is: 685,917.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,528.16 : 1,285,618.56 = 456,450.88 : x
  2. Step 2: Convert to fraction form
    855,528.16/1,285,618.56 = 456,450.88/x
  3. Step 3: Cross multiply
    855,528.16x = 1,285,618.56 × 456,450.88
  4. Step 4: Simplify right side
    855,528.16x = 586,821,723,056.33
  5. Step 5: Solve for x
    x = 586,821,723,056.33/855,528.16
  6. Step 6: Final answer
    x = 685,917.48

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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.