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Finding the Fourth Proportional to 617,128.36, 855,999.79 and 600,750.28

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Solution

The fourth proportional to 617,128.36, 855,999.79 and 600,750.28 is: 833,282.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,128.36 : 855,999.79 = 600,750.28 : x
  2. Step 2: Convert to fraction form
    617,128.36/855,999.79 = 600,750.28/x
  3. Step 3: Cross multiply
    617,128.36x = 855,999.79 × 600,750.28
  4. Step 4: Simplify right side
    617,128.36x = 514,242,113,522.44
  5. Step 5: Solve for x
    x = 514,242,113,522.44/617,128.36
  6. Step 6: Final answer
    x = 833,282.26

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.