Home / 499,933.58-689,903.43-270,485.83

Finding the Fourth Proportional to 499,933.58, 689,903.43 and 270,485.83

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Solution

The fourth proportional to 499,933.58, 689,903.43 and 270,485.83 is: 373,267.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,933.58 : 689,903.43 = 270,485.83 : x
  2. Step 2: Convert to fraction form
    499,933.58/689,903.43 = 270,485.83/x
  3. Step 3: Cross multiply
    499,933.58x = 689,903.43 × 270,485.83
  4. Step 4: Simplify right side
    499,933.58x = 186,609,099,482.42
  5. Step 5: Solve for x
    x = 186,609,099,482.42/499,933.58
  6. Step 6: Final answer
    x = 373,267.79

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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.