Home / 741,612.29-1,112,584.01-315,161.64

Finding the Fourth Proportional to 741,612.29, 1,112,584.01 and 315,161.64

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Solution

The fourth proportional to 741,612.29, 1,112,584.01 and 315,161.64 is: 472,812.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,612.29 : 1,112,584.01 = 315,161.64 : x
  2. Step 2: Convert to fraction form
    741,612.29/1,112,584.01 = 315,161.64/x
  3. Step 3: Cross multiply
    741,612.29x = 1,112,584.01 × 315,161.64
  4. Step 4: Simplify right side
    741,612.29x = 350,643,799,653.57
  5. Step 5: Solve for x
    x = 350,643,799,653.57/741,612.29
  6. Step 6: Final answer
    x = 472,812.83

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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.