Home / 563,372.39-777,447.28-305,244.29

Finding the Fourth Proportional to 563,372.39, 777,447.28 and 305,244.29

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Solution

The fourth proportional to 563,372.39, 777,447.28 and 305,244.29 is: 421,233.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,372.39 : 777,447.28 = 305,244.29 : x
  2. Step 2: Convert to fraction form
    563,372.39/777,447.28 = 305,244.29/x
  3. Step 3: Cross multiply
    563,372.39x = 777,447.28 × 305,244.29
  4. Step 4: Simplify right side
    563,372.39x = 237,311,345,321.21
  5. Step 5: Solve for x
    x = 237,311,345,321.21/563,372.39
  6. Step 6: Final answer
    x = 421,233.54

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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.