Home / 939,839.94-1,296,670.32-531,901.26

Finding the Fourth Proportional to 939,839.94, 1,296,670.32 and 531,901.26

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Solution

The fourth proportional to 939,839.94, 1,296,670.32 and 531,901.26 is: 733,848.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,839.94 : 1,296,670.32 = 531,901.26 : x
  2. Step 2: Convert to fraction form
    939,839.94/1,296,670.32 = 531,901.26/x
  3. Step 3: Cross multiply
    939,839.94x = 1,296,670.32 × 531,901.26
  4. Step 4: Simplify right side
    939,839.94x = 689,700,577,012.60
  5. Step 5: Solve for x
    x = 689,700,577,012.60/939,839.94
  6. Step 6: Final answer
    x = 733,848.98

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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.