Home / 874,133.20-1,311,397.08-266,975.92

Finding the Fourth Proportional to 874,133.20, 1,311,397.08 and 266,975.92

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Solution

The fourth proportional to 874,133.20, 1,311,397.08 and 266,975.92 is: 400,524.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,133.20 : 1,311,397.08 = 266,975.92 : x
  2. Step 2: Convert to fraction form
    874,133.20/1,311,397.08 = 266,975.92/x
  3. Step 3: Cross multiply
    874,133.20x = 1,311,397.08 × 266,975.92
  4. Step 4: Simplify right side
    874,133.20x = 350,111,441,918.31
  5. Step 5: Solve for x
    x = 350,111,441,918.31/874,133.20
  6. Step 6: Final answer
    x = 400,524.13

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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.