Home / 405,026.08-558,520.40-269,010.72

Finding the Fourth Proportional to 405,026.08, 558,520.40 and 269,010.72

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Solution

The fourth proportional to 405,026.08, 558,520.40 and 269,010.72 is: 370,958.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,026.08 : 558,520.40 = 269,010.72 : x
  2. Step 2: Convert to fraction form
    405,026.08/558,520.40 = 269,010.72/x
  3. Step 3: Cross multiply
    405,026.08x = 558,520.40 × 269,010.72
  4. Step 4: Simplify right side
    405,026.08x = 150,247,974,938.69
  5. Step 5: Solve for x
    x = 150,247,974,938.69/405,026.08
  6. Step 6: Final answer
    x = 370,958.77

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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.