Home / 908,582.80-1,362,874.20-310,219.60

Finding the Fourth Proportional to 908,582.80, 1,362,874.20 and 310,219.60

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Solution

The fourth proportional to 908,582.80, 1,362,874.20 and 310,219.60 is: 465,329.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,582.80 : 1,362,874.20 = 310,219.60 : x
  2. Step 2: Convert to fraction form
    908,582.80/1,362,874.20 = 310,219.60/x
  3. Step 3: Cross multiply
    908,582.80x = 1,362,874.20 × 310,219.60
  4. Step 4: Simplify right side
    908,582.80x = 422,790,289,174.32
  5. Step 5: Solve for x
    x = 422,790,289,174.32/908,582.80
  6. Step 6: Final answer
    x = 465,329.40

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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.