Home / 840,857.58-1,260,536.22-308,254.23

Finding the Fourth Proportional to 840,857.58, 1,260,536.22 and 308,254.23

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Solution

The fourth proportional to 840,857.58, 1,260,536.22 and 308,254.23 is: 462,106.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,857.58 : 1,260,536.22 = 308,254.23 : x
  2. Step 2: Convert to fraction form
    840,857.58/1,260,536.22 = 308,254.23/x
  3. Step 3: Cross multiply
    840,857.58x = 1,260,536.22 × 308,254.23
  4. Step 4: Simplify right side
    840,857.58x = 388,565,621,883.21
  5. Step 5: Solve for x
    x = 388,565,621,883.21/840,857.58
  6. Step 6: Final answer
    x = 462,106.34

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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.