Home / 862,339.64-1,293,665.38-356,626.06

Finding the Fourth Proportional to 862,339.64, 1,293,665.38 and 356,626.06

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Solution

The fourth proportional to 862,339.64, 1,293,665.38 and 356,626.06 is: 535,003.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,339.64 : 1,293,665.38 = 356,626.06 : x
  2. Step 2: Convert to fraction form
    862,339.64/1,293,665.38 = 356,626.06/x
  3. Step 3: Cross multiply
    862,339.64x = 1,293,665.38 × 356,626.06
  4. Step 4: Simplify right side
    862,339.64x = 461,354,783,302.07
  5. Step 5: Solve for x
    x = 461,354,783,302.07/862,339.64
  6. Step 6: Final answer
    x = 535,003.57

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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.