Home / 725,000.68-1,085,844.43-346,186.72

Finding the Fourth Proportional to 725,000.68, 1,085,844.43 and 346,186.72

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Solution

The fourth proportional to 725,000.68, 1,085,844.43 and 346,186.72 is: 518,489.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,000.68 : 1,085,844.43 = 346,186.72 : x
  2. Step 2: Convert to fraction form
    725,000.68/1,085,844.43 = 346,186.72/x
  3. Step 3: Cross multiply
    725,000.68x = 1,085,844.43 × 346,186.72
  4. Step 4: Simplify right side
    725,000.68x = 375,904,921,651.97
  5. Step 5: Solve for x
    x = 375,904,921,651.97/725,000.68
  6. Step 6: Final answer
    x = 518,489.06

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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.