Home / 407,829.65-562,815.14-226,532.88

Finding the Fourth Proportional to 407,829.65, 562,815.14 and 226,532.88

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Solution

The fourth proportional to 407,829.65, 562,815.14 and 226,532.88 is: 312,621.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,829.65 : 562,815.14 = 226,532.88 : x
  2. Step 2: Convert to fraction form
    407,829.65/562,815.14 = 226,532.88/x
  3. Step 3: Cross multiply
    407,829.65x = 562,815.14 × 226,532.88
  4. Step 4: Simplify right side
    407,829.65x = 127,496,133,439.14
  5. Step 5: Solve for x
    x = 127,496,133,439.14/407,829.65
  6. Step 6: Final answer
    x = 312,621.05

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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.