Home / 908,626.80-1,362,940.20-310,263.60

Finding the Fourth Proportional to 908,626.80, 1,362,940.20 and 310,263.60

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Solution

The fourth proportional to 908,626.80, 1,362,940.20 and 310,263.60 is: 465,395.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,626.80 : 1,362,940.20 = 310,263.60 : x
  2. Step 2: Convert to fraction form
    908,626.80/1,362,940.20 = 310,263.60/x
  3. Step 3: Cross multiply
    908,626.80x = 1,362,940.20 × 310,263.60
  4. Step 4: Simplify right side
    908,626.80x = 422,870,733,036.72
  5. Step 5: Solve for x
    x = 422,870,733,036.72/908,626.80
  6. Step 6: Final answer
    x = 465,395.40

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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.