Home / 920,986.08-1,382,266.40-360,414.24

Finding the Fourth Proportional to 920,986.08, 1,382,266.40 and 360,414.24

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Solution

The fourth proportional to 920,986.08, 1,382,266.40 and 360,414.24 is: 540,929.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,986.08 : 1,382,266.40 = 360,414.24 : x
  2. Step 2: Convert to fraction form
    920,986.08/1,382,266.40 = 360,414.24/x
  3. Step 3: Cross multiply
    920,986.08x = 1,382,266.40 × 360,414.24
  4. Step 4: Simplify right side
    920,986.08x = 498,188,494,033.54
  5. Step 5: Solve for x
    x = 498,188,494,033.54/920,986.08
  6. Step 6: Final answer
    x = 540,929.45

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1.5x scale

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.