Home / 428,557.72-591,289.94-337,631.50

Finding the Fourth Proportional to 428,557.72, 591,289.94 and 337,631.50

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Solution

The fourth proportional to 428,557.72, 591,289.94 and 337,631.50 is: 465,837.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,557.72 : 591,289.94 = 337,631.50 : x
  2. Step 2: Convert to fraction form
    428,557.72/591,289.94 = 337,631.50/x
  3. Step 3: Cross multiply
    428,557.72x = 591,289.94 × 337,631.50
  4. Step 4: Simplify right side
    428,557.72x = 199,638,109,377.11
  5. Step 5: Solve for x
    x = 199,638,109,377.11/428,557.72
  6. Step 6: Final answer
    x = 465,837.16

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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.