Home / 428,366.08-591,160.44-258,567.04

Finding the Fourth Proportional to 428,366.08, 591,160.44 and 258,567.04

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Solution

The fourth proportional to 428,366.08, 591,160.44 and 258,567.04 is: 356,831.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,366.08 : 591,160.44 = 258,567.04 : x
  2. Step 2: Convert to fraction form
    428,366.08/591,160.44 = 258,567.04/x
  3. Step 3: Cross multiply
    428,366.08x = 591,160.44 × 258,567.04
  4. Step 4: Simplify right side
    428,366.08x = 152,854,605,135.90
  5. Step 5: Solve for x
    x = 152,854,605,135.90/428,366.08
  6. Step 6: Final answer
    x = 356,831.72

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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.