Home / 407,701.08-562,608.45-226,424.70

Finding the Fourth Proportional to 407,701.08, 562,608.45 and 226,424.70

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Solution

The fourth proportional to 407,701.08, 562,608.45 and 226,424.70 is: 312,455.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,701.08 : 562,608.45 = 226,424.70 : x
  2. Step 2: Convert to fraction form
    407,701.08/562,608.45 = 226,424.70/x
  3. Step 3: Cross multiply
    407,701.08x = 562,608.45 × 226,424.70
  4. Step 4: Simplify right side
    407,701.08x = 127,388,449,508.72
  5. Step 5: Solve for x
    x = 127,388,449,508.72/407,701.08
  6. Step 6: Final answer
    x = 312,455.51

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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.