Home / 407,578.80-562,476.32-226,290.75

Finding the Fourth Proportional to 407,578.80, 562,476.32 and 226,290.75

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Solution

The fourth proportional to 407,578.80, 562,476.32 and 226,290.75 is: 312,290.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,578.80 : 562,476.32 = 226,290.75 : x
  2. Step 2: Convert to fraction form
    407,578.80/562,476.32 = 226,290.75/x
  3. Step 3: Cross multiply
    407,578.80x = 562,476.32 × 226,290.75
  4. Step 4: Simplify right side
    407,578.80x = 127,283,185,917.89
  5. Step 5: Solve for x
    x = 127,283,185,917.89/407,578.80
  6. Step 6: Final answer
    x = 312,290.98

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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.