Home / 790,952.94-1,091,509.61-428,368.50

Finding the Fourth Proportional to 790,952.94, 1,091,509.61 and 428,368.50

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Solution

The fourth proportional to 790,952.94, 1,091,509.61 and 428,368.50 is: 591,145.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,952.94 : 1,091,509.61 = 428,368.50 : x
  2. Step 2: Convert to fraction form
    790,952.94/1,091,509.61 = 428,368.50/x
  3. Step 3: Cross multiply
    790,952.94x = 1,091,509.61 × 428,368.50
  4. Step 4: Simplify right side
    790,952.94x = 467,568,332,229.44
  5. Step 5: Solve for x
    x = 467,568,332,229.44/790,952.94
  6. Step 6: Final answer
    x = 591,145.58

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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.