Home / 442,556.20-610,782.42-270,438.76

Finding the Fourth Proportional to 442,556.20, 610,782.42 and 270,438.76

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Solution

The fourth proportional to 442,556.20, 610,782.42 and 270,438.76 is: 373,239.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,556.20 : 610,782.42 = 270,438.76 : x
  2. Step 2: Convert to fraction form
    442,556.20/610,782.42 = 270,438.76/x
  3. Step 3: Cross multiply
    442,556.20x = 610,782.42 × 270,438.76
  4. Step 4: Simplify right side
    442,556.20x = 165,179,240,294.60
  5. Step 5: Solve for x
    x = 165,179,240,294.60/442,556.20
  6. Step 6: Final answer
    x = 373,239.02

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1.5x scale

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.