Home / 827,889.12-1,241,962.56-266,980.32

Finding the Fourth Proportional to 827,889.12, 1,241,962.56 and 266,980.32

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Solution

The fourth proportional to 827,889.12, 1,241,962.56 and 266,980.32 is: 400,512.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,889.12 : 1,241,962.56 = 266,980.32 : x
  2. Step 2: Convert to fraction form
    827,889.12/1,241,962.56 = 266,980.32/x
  3. Step 3: Cross multiply
    827,889.12x = 1,241,962.56 × 266,980.32
  4. Step 4: Simplify right side
    827,889.12x = 331,579,561,696.82
  5. Step 5: Solve for x
    x = 331,579,561,696.82/827,889.12
  6. Step 6: Final answer
    x = 400,512.04

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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.