Home / 407,661.58-562,554.08-226,385.07

Finding the Fourth Proportional to 407,661.58, 562,554.08 and 226,385.07

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Solution

The fourth proportional to 407,661.58, 562,554.08 and 226,385.07 is: 312,400.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,661.58 : 562,554.08 = 226,385.07 : x
  2. Step 2: Convert to fraction form
    407,661.58/562,554.08 = 226,385.07/x
  3. Step 3: Cross multiply
    407,661.58x = 562,554.08 × 226,385.07
  4. Step 4: Simplify right side
    407,661.58x = 127,353,840,834.89
  5. Step 5: Solve for x
    x = 127,353,840,834.89/407,661.58
  6. Step 6: Final answer
    x = 312,400.89

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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.