Home / 721,041.77-1,081,561.30-271,863.41

Finding the Fourth Proportional to 721,041.77, 1,081,561.30 and 271,863.41

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Solution

The fourth proportional to 721,041.77, 1,081,561.30 and 271,863.41 is: 407,794.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,041.77 : 1,081,561.30 = 271,863.41 : x
  2. Step 2: Convert to fraction form
    721,041.77/1,081,561.30 = 271,863.41/x
  3. Step 3: Cross multiply
    721,041.77x = 1,081,561.30 × 271,863.41
  4. Step 4: Simplify right side
    721,041.77x = 294,036,937,054.57
  5. Step 5: Solve for x
    x = 294,036,937,054.57/721,041.77
  6. Step 6: Final answer
    x = 407,794.59

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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.