Home / 657,198.96-906,928.02-370,812.12

Finding the Fourth Proportional to 657,198.96, 906,928.02 and 370,812.12

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Solution

The fourth proportional to 657,198.96, 906,928.02 and 370,812.12 is: 511,717.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,198.96 : 906,928.02 = 370,812.12 : x
  2. Step 2: Convert to fraction form
    657,198.96/906,928.02 = 370,812.12/x
  3. Step 3: Cross multiply
    657,198.96x = 906,928.02 × 370,812.12
  4. Step 4: Simplify right side
    657,198.96x = 336,299,901,783.60
  5. Step 5: Solve for x
    x = 336,299,901,783.60/657,198.96
  6. Step 6: Final answer
    x = 511,717.03

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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.