Home / 563,384.58-777,464.10-305,256.48

Finding the Fourth Proportional to 563,384.58, 777,464.10 and 305,256.48

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Solution

The fourth proportional to 563,384.58, 777,464.10 and 305,256.48 is: 421,250.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,384.58 : 777,464.10 = 305,256.48 : x
  2. Step 2: Convert to fraction form
    563,384.58/777,464.10 = 305,256.48/x
  3. Step 3: Cross multiply
    563,384.58x = 777,464.10 × 305,256.48
  4. Step 4: Simplify right side
    563,384.58x = 237,325,954,492.37
  5. Step 5: Solve for x
    x = 237,325,954,492.37/563,384.58
  6. Step 6: Final answer
    x = 421,250.36

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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.