Home / 889,886.99-1,228,036.60-481,979.36

Finding the Fourth Proportional to 889,886.99, 1,228,036.60 and 481,979.36

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Solution

The fourth proportional to 889,886.99, 1,228,036.60 and 481,979.36 is: 665,127.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,886.99 : 1,228,036.60 = 481,979.36 : x
  2. Step 2: Convert to fraction form
    889,886.99/1,228,036.60 = 481,979.36/x
  3. Step 3: Cross multiply
    889,886.99x = 1,228,036.60 × 481,979.36
  4. Step 4: Simplify right side
    889,886.99x = 591,888,294,524.58
  5. Step 5: Solve for x
    x = 591,888,294,524.58/889,886.99
  6. Step 6: Final answer
    x = 665,127.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.