Home / 692,908.40-1,039,751.40-293,481.20

Finding the Fourth Proportional to 692,908.40, 1,039,751.40 and 293,481.20

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Solution

The fourth proportional to 692,908.40, 1,039,751.40 and 293,481.20 is: 440,386.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,908.40 : 1,039,751.40 = 293,481.20 : x
  2. Step 2: Convert to fraction form
    692,908.40/1,039,751.40 = 293,481.20/x
  3. Step 3: Cross multiply
    692,908.40x = 1,039,751.40 × 293,481.20
  4. Step 4: Simplify right side
    692,908.40x = 305,147,488,573.68
  5. Step 5: Solve for x
    x = 305,147,488,573.68/692,908.40
  6. Step 6: Final answer
    x = 440,386.48

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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.