Home / 741,653.70-1,112,480.55-315,079.35

Finding the Fourth Proportional to 741,653.70, 1,112,480.55 and 315,079.35

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Solution

The fourth proportional to 741,653.70, 1,112,480.55 and 315,079.35 is: 472,619.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,653.70 : 1,112,480.55 = 315,079.35 : x
  2. Step 2: Convert to fraction form
    741,653.70/1,112,480.55 = 315,079.35/x
  3. Step 3: Cross multiply
    741,653.70x = 1,112,480.55 × 315,079.35
  4. Step 4: Simplify right side
    741,653.70x = 350,519,648,581.64
  5. Step 5: Solve for x
    x = 350,519,648,581.64/741,653.70
  6. Step 6: Final answer
    x = 472,619.03

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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.