Home / 982,919.32-1,474,377.90-309,059.62

Finding the Fourth Proportional to 982,919.32, 1,474,377.90 and 309,059.62

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Solution

The fourth proportional to 982,919.32, 1,474,377.90 and 309,059.62 is: 463,589.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,919.32 : 1,474,377.90 = 309,059.62 : x
  2. Step 2: Convert to fraction form
    982,919.32/1,474,377.90 = 309,059.62/x
  3. Step 3: Cross multiply
    982,919.32x = 1,474,377.90 × 309,059.62
  4. Step 4: Simplify right side
    982,919.32x = 455,670,673,510.40
  5. Step 5: Solve for x
    x = 455,670,673,510.40/982,919.32
  6. Step 6: Final answer
    x = 463,589.09

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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.