Home / 821,723.58-1,232,647.40-245,301.42

Finding the Fourth Proportional to 821,723.58, 1,232,647.40 and 245,301.42

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Solution

The fourth proportional to 821,723.58, 1,232,647.40 and 245,301.42 is: 367,970.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,723.58 : 1,232,647.40 = 245,301.42 : x
  2. Step 2: Convert to fraction form
    821,723.58/1,232,647.40 = 245,301.42/x
  3. Step 3: Cross multiply
    821,723.58x = 1,232,647.40 × 245,301.42
  4. Step 4: Simplify right side
    821,723.58x = 302,370,151,416.07
  5. Step 5: Solve for x
    x = 302,370,151,416.07/821,723.58
  6. Step 6: Final answer
    x = 367,970.64

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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.