Home / 752,861.80-1,038,492.75-446,736.43

Finding the Fourth Proportional to 752,861.80, 1,038,492.75 and 446,736.43

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Solution

The fourth proportional to 752,861.80, 1,038,492.75 and 446,736.43 is: 616,225.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,861.80 : 1,038,492.75 = 446,736.43 : x
  2. Step 2: Convert to fraction form
    752,861.80/1,038,492.75 = 446,736.43/x
  3. Step 3: Cross multiply
    752,861.80x = 1,038,492.75 × 446,736.43
  4. Step 4: Simplify right side
    752,861.80x = 463,932,543,715.88
  5. Step 5: Solve for x
    x = 463,932,543,715.88/752,861.80
  6. Step 6: Final answer
    x = 616,225.37

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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.