Home / 407,830.65-562,816.52-226,533.88

Finding the Fourth Proportional to 407,830.65, 562,816.52 and 226,533.88

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Solution

The fourth proportional to 407,830.65, 562,816.52 and 226,533.88 is: 312,622.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,830.65 : 562,816.52 = 226,533.88 : x
  2. Step 2: Convert to fraction form
    407,830.65/562,816.52 = 226,533.88/x
  3. Step 3: Cross multiply
    407,830.65x = 562,816.52 × 226,533.88
  4. Step 4: Simplify right side
    407,830.65x = 127,497,010,003.70
  5. Step 5: Solve for x
    x = 127,497,010,003.70/407,830.65
  6. Step 6: Final answer
    x = 312,622.43

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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.