Home / 437,918.69-656,562.78-269,090.21

Finding the Fourth Proportional to 437,918.69, 656,562.78 and 269,090.21

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Solution

The fourth proportional to 437,918.69, 656,562.78 and 269,090.21 is: 403,441.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,918.69 : 656,562.78 = 269,090.21 : x
  2. Step 2: Convert to fraction form
    437,918.69/656,562.78 = 269,090.21/x
  3. Step 3: Cross multiply
    437,918.69x = 656,562.78 × 269,090.21
  4. Step 4: Simplify right side
    437,918.69x = 176,674,613,065.57
  5. Step 5: Solve for x
    x = 176,674,613,065.57/437,918.69
  6. Step 6: Final answer
    x = 403,441.60

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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.