Home / 563,166.27-777,165.44-305,037.39

Finding the Fourth Proportional to 563,166.27, 777,165.44 and 305,037.39

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Solution

The fourth proportional to 563,166.27, 777,165.44 and 305,037.39 is: 420,949.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,166.27 : 777,165.44 = 305,037.39 : x
  2. Step 2: Convert to fraction form
    563,166.27/777,165.44 = 305,037.39/x
  3. Step 3: Cross multiply
    563,166.27x = 777,165.44 × 305,037.39
  4. Step 4: Simplify right side
    563,166.27x = 237,064,518,804.99
  5. Step 5: Solve for x
    x = 237,064,518,804.99/563,166.27
  6. Step 6: Final answer
    x = 420,949.43

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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.