Home / 561,544.26-774,929.22-306,895.38

Finding the Fourth Proportional to 561,544.26, 774,929.22 and 306,895.38

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Solution

The fourth proportional to 561,544.26, 774,929.22 and 306,895.38 is: 423,514.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,544.26 : 774,929.22 = 306,895.38 : x
  2. Step 2: Convert to fraction form
    561,544.26/774,929.22 = 306,895.38/x
  3. Step 3: Cross multiply
    561,544.26x = 774,929.22 × 306,895.38
  4. Step 4: Simplify right side
    561,544.26x = 237,822,197,445.00
  5. Step 5: Solve for x
    x = 237,822,197,445.00/561,544.26
  6. Step 6: Final answer
    x = 423,514.61

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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.