Home / 900,738.36-1,243,008.26-492,835.44

Finding the Fourth Proportional to 900,738.36, 1,243,008.26 and 492,835.44

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Solution

The fourth proportional to 900,738.36, 1,243,008.26 and 492,835.44 is: 680,107.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,738.36 : 1,243,008.26 = 492,835.44 : x
  2. Step 2: Convert to fraction form
    900,738.36/1,243,008.26 = 492,835.44/x
  3. Step 3: Cross multiply
    900,738.36x = 1,243,008.26 × 492,835.44
  4. Step 4: Simplify right side
    900,738.36x = 612,598,522,740.73
  5. Step 5: Solve for x
    x = 612,598,522,740.73/900,738.36
  6. Step 6: Final answer
    x = 680,107.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.