Home / 906,979.71-1,359,629.58-401,272.41

Finding the Fourth Proportional to 906,979.71, 1,359,629.58 and 401,272.41

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Solution

The fourth proportional to 906,979.71, 1,359,629.58 and 401,272.41 is: 601,536.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,979.71 : 1,359,629.58 = 401,272.41 : x
  2. Step 2: Convert to fraction form
    906,979.71/1,359,629.58 = 401,272.41/x
  3. Step 3: Cross multiply
    906,979.71x = 1,359,629.58 × 401,272.41
  4. Step 4: Simplify right side
    906,979.71x = 545,581,838,273.89
  5. Step 5: Solve for x
    x = 545,581,838,273.89/906,979.71
  6. Step 6: Final answer
    x = 601,536.98

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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.