Home / 485,943.04-670,675.26-294,919.48

Finding the Fourth Proportional to 485,943.04, 670,675.26 and 294,919.48

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Solution

The fourth proportional to 485,943.04, 670,675.26 and 294,919.48 is: 407,033.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,943.04 : 670,675.26 = 294,919.48 : x
  2. Step 2: Convert to fraction form
    485,943.04/670,675.26 = 294,919.48/x
  3. Step 3: Cross multiply
    485,943.04x = 670,675.26 × 294,919.48
  4. Step 4: Simplify right side
    485,943.04x = 197,795,198,928.07
  5. Step 5: Solve for x
    x = 197,795,198,928.07/485,943.04
  6. Step 6: Final answer
    x = 407,033.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.