Home / 727,811.40-1,091,765.70-248,032.20

Finding the Fourth Proportional to 727,811.40, 1,091,765.70 and 248,032.20

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Solution

The fourth proportional to 727,811.40, 1,091,765.70 and 248,032.20 is: 372,064.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,811.40 : 1,091,765.70 = 248,032.20 : x
  2. Step 2: Convert to fraction form
    727,811.40/1,091,765.70 = 248,032.20/x
  3. Step 3: Cross multiply
    727,811.40x = 1,091,765.70 × 248,032.20
  4. Step 4: Simplify right side
    727,811.40x = 270,793,048,455.54
  5. Step 5: Solve for x
    x = 270,793,048,455.54/727,811.40
  6. Step 6: Final answer
    x = 372,064.86

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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.