Home / 470,018.26-648,556.77-268,775.38

Finding the Fourth Proportional to 470,018.26, 648,556.77 and 268,775.38

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Solution

The fourth proportional to 470,018.26, 648,556.77 and 268,775.38 is: 370,870.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,018.26 : 648,556.77 = 268,775.38 : x
  2. Step 2: Convert to fraction form
    470,018.26/648,556.77 = 268,775.38/x
  3. Step 3: Cross multiply
    470,018.26x = 648,556.77 × 268,775.38
  4. Step 4: Simplify right side
    470,018.26x = 174,316,092,308.32
  5. Step 5: Solve for x
    x = 174,316,092,308.32/470,018.26
  6. Step 6: Final answer
    x = 370,870.89

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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.