Home / 470,731.91-705,556.56-217,480.38

Finding the Fourth Proportional to 470,731.91, 705,556.56 and 217,480.38

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Solution

The fourth proportional to 470,731.91, 705,556.56 and 217,480.38 is: 325,970.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,731.91 : 705,556.56 = 217,480.38 : x
  2. Step 2: Convert to fraction form
    470,731.91/705,556.56 = 217,480.38/x
  3. Step 3: Cross multiply
    470,731.91x = 705,556.56 × 217,480.38
  4. Step 4: Simplify right side
    470,731.91x = 153,444,708,780.29
  5. Step 5: Solve for x
    x = 153,444,708,780.29/470,731.91
  6. Step 6: Final answer
    x = 325,970.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.