Home / 816,979.99-1,225,478.90-248,453.55

Finding the Fourth Proportional to 816,979.99, 1,225,478.90 and 248,453.55

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Solution

The fourth proportional to 816,979.99, 1,225,478.90 and 248,453.55 is: 372,683.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,979.99 : 1,225,478.90 = 248,453.55 : x
  2. Step 2: Convert to fraction form
    816,979.99/1,225,478.90 = 248,453.55/x
  3. Step 3: Cross multiply
    816,979.99x = 1,225,478.90 × 248,453.55
  4. Step 4: Simplify right side
    816,979.99x = 304,474,583,155.10
  5. Step 5: Solve for x
    x = 304,474,583,155.10/816,979.99
  6. Step 6: Final answer
    x = 372,683.04

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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.