Home / 939,317-1,296,257.46-536,917.64

Finding the Fourth Proportional to 939,317, 1,296,257.46 and 536,917.64

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Solution

The fourth proportional to 939,317, 1,296,257.46 and 536,917.64 is: 740,946.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,317 : 1,296,257.46 = 536,917.64 : x
  2. Step 2: Convert to fraction form
    939,317/1,296,257.46 = 536,917.64/x
  3. Step 3: Cross multiply
    939,317x = 1,296,257.46 × 536,917.64
  4. Step 4: Simplify right side
    939,317x = 695,983,496,255.59
  5. Step 5: Solve for x
    x = 695,983,496,255.59/939,317
  6. Step 6: Final answer
    x = 740,946.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.