Home / 730,474.48-1,008,093.72-408,192.40

Finding the Fourth Proportional to 730,474.48, 1,008,093.72 and 408,192.40

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Solution

The fourth proportional to 730,474.48, 1,008,093.72 and 408,192.40 is: 563,327.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,474.48 : 1,008,093.72 = 408,192.40 : x
  2. Step 2: Convert to fraction form
    730,474.48/1,008,093.72 = 408,192.40/x
  3. Step 3: Cross multiply
    730,474.48x = 1,008,093.72 × 408,192.40
  4. Step 4: Simplify right side
    730,474.48x = 411,496,194,991.73
  5. Step 5: Solve for x
    x = 411,496,194,991.73/730,474.48
  6. Step 6: Final answer
    x = 563,327.27

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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.