Home / 846,140.80-1,269,268.80-269,718.40

Finding the Fourth Proportional to 846,140.80, 1,269,268.80 and 269,718.40

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Solution

The fourth proportional to 846,140.80, 1,269,268.80 and 269,718.40 is: 404,595.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,140.80 : 1,269,268.80 = 269,718.40 : x
  2. Step 2: Convert to fraction form
    846,140.80/1,269,268.80 = 269,718.40/x
  3. Step 3: Cross multiply
    846,140.80x = 1,269,268.80 × 269,718.40
  4. Step 4: Simplify right side
    846,140.80x = 342,345,149,905.92
  5. Step 5: Solve for x
    x = 342,345,149,905.92/846,140.80
  6. Step 6: Final answer
    x = 404,595.96

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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.