Home / 905,206.28-1,357,975.47-298,029.20

Finding the Fourth Proportional to 905,206.28, 1,357,975.47 and 298,029.20

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Solution

The fourth proportional to 905,206.28, 1,357,975.47 and 298,029.20 is: 447,098.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,206.28 : 1,357,975.47 = 298,029.20 : x
  2. Step 2: Convert to fraction form
    905,206.28/1,357,975.47 = 298,029.20/x
  3. Step 3: Cross multiply
    905,206.28x = 1,357,975.47 × 298,029.20
  4. Step 4: Simplify right side
    905,206.28x = 404,716,342,943.72
  5. Step 5: Solve for x
    x = 404,716,342,943.72/905,206.28
  6. Step 6: Final answer
    x = 447,098.47

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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.