Home / 725,037.54-1,085,899.74-346,223.62

Finding the Fourth Proportional to 725,037.54, 1,085,899.74 and 346,223.62

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Solution

The fourth proportional to 725,037.54, 1,085,899.74 and 346,223.62 is: 518,544.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,037.54 : 1,085,899.74 = 346,223.62 : x
  2. Step 2: Convert to fraction form
    725,037.54/1,085,899.74 = 346,223.62/x
  3. Step 3: Cross multiply
    725,037.54x = 1,085,899.74 × 346,223.62
  4. Step 4: Simplify right side
    725,037.54x = 375,964,138,939.86
  5. Step 5: Solve for x
    x = 375,964,138,939.86/725,037.54
  6. Step 6: Final answer
    x = 518,544.38

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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.