Home / 727,074.83-1,091,110.44-253,760.19

Finding the Fourth Proportional to 727,074.83, 1,091,110.44 and 253,760.19

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Solution

The fourth proportional to 727,074.83, 1,091,110.44 and 253,760.19 is: 380,814.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,074.83 : 1,091,110.44 = 253,760.19 : x
  2. Step 2: Convert to fraction form
    727,074.83/1,091,110.44 = 253,760.19/x
  3. Step 3: Cross multiply
    727,074.83x = 1,091,110.44 × 253,760.19
  4. Step 4: Simplify right side
    727,074.83x = 276,880,392,565.38
  5. Step 5: Solve for x
    x = 276,880,392,565.38/727,074.83
  6. Step 6: Final answer
    x = 380,814.17

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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.