Home / 699,660.18-1,049,486.70-273,239.30

Finding the Fourth Proportional to 699,660.18, 1,049,486.70 and 273,239.30

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Solution

The fourth proportional to 699,660.18, 1,049,486.70 and 273,239.30 is: 409,857.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,660.18 : 1,049,486.70 = 273,239.30 : x
  2. Step 2: Convert to fraction form
    699,660.18/1,049,486.70 = 273,239.30/x
  3. Step 3: Cross multiply
    699,660.18x = 1,049,486.70 × 273,239.30
  4. Step 4: Simplify right side
    699,660.18x = 286,761,011,195.51
  5. Step 5: Solve for x
    x = 286,761,011,195.51/699,660.18
  6. Step 6: Final answer
    x = 409,857.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.