Home / 906,111.36-1,250,407.80-498,212.64

Finding the Fourth Proportional to 906,111.36, 1,250,407.80 and 498,212.64

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Solution

The fourth proportional to 906,111.36, 1,250,407.80 and 498,212.64 is: 687,519.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,111.36 : 1,250,407.80 = 498,212.64 : x
  2. Step 2: Convert to fraction form
    906,111.36/1,250,407.80 = 498,212.64/x
  3. Step 3: Cross multiply
    906,111.36x = 1,250,407.80 × 498,212.64
  4. Step 4: Simplify right side
    906,111.36x = 622,968,971,114.59
  5. Step 5: Solve for x
    x = 622,968,971,114.59/906,111.36
  6. Step 6: Final answer
    x = 687,519.22

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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.