Home / 725,045.56-1,085,911.72-346,231.68

Finding the Fourth Proportional to 725,045.56, 1,085,911.72 and 346,231.68

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Solution

The fourth proportional to 725,045.56, 1,085,911.72 and 346,231.68 is: 518,556.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,045.56 : 1,085,911.72 = 346,231.68 : x
  2. Step 2: Convert to fraction form
    725,045.56/1,085,911.72 = 346,231.68/x
  3. Step 3: Cross multiply
    725,045.56x = 1,085,911.72 × 346,231.68
  4. Step 4: Simplify right side
    725,045.56x = 375,977,039,147.29
  5. Step 5: Solve for x
    x = 375,977,039,147.29/725,045.56
  6. Step 6: Final answer
    x = 518,556.43

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1.5x scale

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.