Home / 810,884.80-1,118,835.44-484,134.34

Finding the Fourth Proportional to 810,884.80, 1,118,835.44 and 484,134.34

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Solution

The fourth proportional to 810,884.80, 1,118,835.44 and 484,134.34 is: 667,994.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,884.80 : 1,118,835.44 = 484,134.34 : x
  2. Step 2: Convert to fraction form
    810,884.80/1,118,835.44 = 484,134.34/x
  3. Step 3: Cross multiply
    810,884.80x = 1,118,835.44 × 484,134.34
  4. Step 4: Simplify right side
    810,884.80x = 541,666,657,313.01
  5. Step 5: Solve for x
    x = 541,666,657,313.01/810,884.80
  6. Step 6: Final answer
    x = 667,994.59

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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.