Home / 800,975.14-1,201,642.68-268,482.56

Finding the Fourth Proportional to 800,975.14, 1,201,642.68 and 268,482.56

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Solution

The fourth proportional to 800,975.14, 1,201,642.68 and 268,482.56 is: 402,784.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,975.14 : 1,201,642.68 = 268,482.56 : x
  2. Step 2: Convert to fraction form
    800,975.14/1,201,642.68 = 268,482.56/x
  3. Step 3: Cross multiply
    800,975.14x = 1,201,642.68 × 268,482.56
  4. Step 4: Simplify right side
    800,975.14x = 322,620,102,931.66
  5. Step 5: Solve for x
    x = 322,620,102,931.66/800,975.14
  6. Step 6: Final answer
    x = 402,784.16

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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.