Home / 762,012.63-1,143,076.39-256,575.06

Finding the Fourth Proportional to 762,012.63, 1,143,076.39 and 256,575.06

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Solution

The fourth proportional to 762,012.63, 1,143,076.39 and 256,575.06 is: 384,881.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,012.63 : 1,143,076.39 = 256,575.06 : x
  2. Step 2: Convert to fraction form
    762,012.63/1,143,076.39 = 256,575.06/x
  3. Step 3: Cross multiply
    762,012.63x = 1,143,076.39 × 256,575.06
  4. Step 4: Simplify right side
    762,012.63x = 293,284,892,707.40
  5. Step 5: Solve for x
    x = 293,284,892,707.40/762,012.63
  6. Step 6: Final answer
    x = 384,881.93

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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.