Home / 769,273.91-1,061,638.75-463,446.56

Finding the Fourth Proportional to 769,273.91, 1,061,638.75 and 463,446.56

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Solution

The fourth proportional to 769,273.91, 1,061,638.75 and 463,446.56 is: 639,580.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,273.91 : 1,061,638.75 = 463,446.56 : x
  2. Step 2: Convert to fraction form
    769,273.91/1,061,638.75 = 463,446.56/x
  3. Step 3: Cross multiply
    769,273.91x = 1,061,638.75 × 463,446.56
  4. Step 4: Simplify right side
    769,273.91x = 492,012,829,883.61
  5. Step 5: Solve for x
    x = 492,012,829,883.61/769,273.91
  6. Step 6: Final answer
    x = 639,580.81

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1.5x scale

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.