Home / 428,897.46-591,867.06-247,603.26

Finding the Fourth Proportional to 428,897.46, 591,867.06 and 247,603.26

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Solution

The fourth proportional to 428,897.46, 591,867.06 and 247,603.26 is: 341,685.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,897.46 : 591,867.06 = 247,603.26 : x
  2. Step 2: Convert to fraction form
    428,897.46/591,867.06 = 247,603.26/x
  3. Step 3: Cross multiply
    428,897.46x = 591,867.06 × 247,603.26
  4. Step 4: Simplify right side
    428,897.46x = 146,548,213,542.62
  5. Step 5: Solve for x
    x = 146,548,213,542.62/428,897.46
  6. Step 6: Final answer
    x = 341,685.90

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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.