Home / 745,012.94-1,117,685.99-271,698.30

Finding the Fourth Proportional to 745,012.94, 1,117,685.99 and 271,698.30

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Solution

The fourth proportional to 745,012.94, 1,117,685.99 and 271,698.30 is: 407,608.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,012.94 : 1,117,685.99 = 271,698.30 : x
  2. Step 2: Convert to fraction form
    745,012.94/1,117,685.99 = 271,698.30/x
  3. Step 3: Cross multiply
    745,012.94x = 1,117,685.99 × 271,698.30
  4. Step 4: Simplify right side
    745,012.94x = 303,673,383,416.82
  5. Step 5: Solve for x
    x = 303,673,383,416.82/745,012.94
  6. Step 6: Final answer
    x = 407,608.20

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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.