Home / 720,629.29-1,080,988.52-240,900.26

Finding the Fourth Proportional to 720,629.29, 1,080,988.52 and 240,900.26

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Solution

The fourth proportional to 720,629.29, 1,080,988.52 and 240,900.26 is: 361,365.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,629.29 : 1,080,988.52 = 240,900.26 : x
  2. Step 2: Convert to fraction form
    720,629.29/1,080,988.52 = 240,900.26/x
  3. Step 3: Cross multiply
    720,629.29x = 1,080,988.52 × 240,900.26
  4. Step 4: Simplify right side
    720,629.29x = 260,410,416,351.20
  5. Step 5: Solve for x
    x = 260,410,416,351.20/720,629.29
  6. Step 6: Final answer
    x = 361,365.29

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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.