Home / 873,931.68-1,311,156.72-274,975.56

Finding the Fourth Proportional to 873,931.68, 1,311,156.72 and 274,975.56

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Solution

The fourth proportional to 873,931.68, 1,311,156.72 and 274,975.56 is: 412,544.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,931.68 : 1,311,156.72 = 274,975.56 : x
  2. Step 2: Convert to fraction form
    873,931.68/1,311,156.72 = 274,975.56/x
  3. Step 3: Cross multiply
    873,931.68x = 1,311,156.72 × 274,975.56
  4. Step 4: Simplify right side
    873,931.68x = 360,536,053,329.76
  5. Step 5: Solve for x
    x = 360,536,053,329.76/873,931.68
  6. Step 6: Final answer
    x = 412,544.90

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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.