Home / 428,695.48-591,258.42-275,751.16

Finding the Fourth Proportional to 428,695.48, 591,258.42 and 275,751.16

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Solution

The fourth proportional to 428,695.48, 591,258.42 and 275,751.16 is: 380,317.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,695.48 : 591,258.42 = 275,751.16 : x
  2. Step 2: Convert to fraction form
    428,695.48/591,258.42 = 275,751.16/x
  3. Step 3: Cross multiply
    428,695.48x = 591,258.42 × 275,751.16
  4. Step 4: Simplify right side
    428,695.48x = 163,040,195,174.77
  5. Step 5: Solve for x
    x = 163,040,195,174.77/428,695.48
  6. Step 6: Final answer
    x = 380,317.04

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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.