Home / 714,755.75-1,071,302.81-265,189.86

Finding the Fourth Proportional to 714,755.75, 1,071,302.81 and 265,189.86

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Solution

The fourth proportional to 714,755.75, 1,071,302.81 and 265,189.86 is: 397,476.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,755.75 : 1,071,302.81 = 265,189.86 : x
  2. Step 2: Convert to fraction form
    714,755.75/1,071,302.81 = 265,189.86/x
  3. Step 3: Cross multiply
    714,755.75x = 1,071,302.81 × 265,189.86
  4. Step 4: Simplify right side
    714,755.75x = 284,098,640,875.56
  5. Step 5: Solve for x
    x = 284,098,640,875.56/714,755.75
  6. Step 6: Final answer
    x = 397,476.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.