Home / 669,124.48-1,002,923.16-269,509.36

Finding the Fourth Proportional to 669,124.48, 1,002,923.16 and 269,509.36

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Solution

The fourth proportional to 669,124.48, 1,002,923.16 and 269,509.36 is: 403,956.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,124.48 : 1,002,923.16 = 269,509.36 : x
  2. Step 2: Convert to fraction form
    669,124.48/1,002,923.16 = 269,509.36/x
  3. Step 3: Cross multiply
    669,124.48x = 1,002,923.16 × 269,509.36
  4. Step 4: Simplify right side
    669,124.48x = 270,297,178,980.78
  5. Step 5: Solve for x
    x = 270,297,178,980.78/669,124.48
  6. Step 6: Final answer
    x = 403,956.49

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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.