Home / 699,409.03-1,048,985.56-187,080.79

Finding the Fourth Proportional to 699,409.03, 1,048,985.56 and 187,080.79

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Solution

The fourth proportional to 699,409.03, 1,048,985.56 and 187,080.79 is: 280,586.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,409.03 : 1,048,985.56 = 187,080.79 : x
  2. Step 2: Convert to fraction form
    699,409.03/1,048,985.56 = 187,080.79/x
  3. Step 3: Cross multiply
    699,409.03x = 1,048,985.56 × 187,080.79
  4. Step 4: Simplify right side
    699,409.03x = 196,245,047,263.39
  5. Step 5: Solve for x
    x = 196,245,047,263.39/699,409.03
  6. Step 6: Final answer
    x = 280,586.95

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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.