Home / 723,287.40-1,084,782.86-273,853.23

Finding the Fourth Proportional to 723,287.40, 1,084,782.86 and 273,853.23

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Solution

The fourth proportional to 723,287.40, 1,084,782.86 and 273,853.23 is: 410,723.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,287.40 : 1,084,782.86 = 273,853.23 : x
  2. Step 2: Convert to fraction form
    723,287.40/1,084,782.86 = 273,853.23/x
  3. Step 3: Cross multiply
    723,287.40x = 1,084,782.86 × 273,853.23
  4. Step 4: Simplify right side
    723,287.40x = 297,071,290,059.64
  5. Step 5: Solve for x
    x = 297,071,290,059.64/723,287.40
  6. Step 6: Final answer
    x = 410,723.72

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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.