Home / 939,791.77-1,296,913.93-510,071.94

Finding the Fourth Proportional to 939,791.77, 1,296,913.93 and 510,071.94

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Solution

The fourth proportional to 939,791.77, 1,296,913.93 and 510,071.94 is: 703,899.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,791.77 : 1,296,913.93 = 510,071.94 : x
  2. Step 2: Convert to fraction form
    939,791.77/1,296,913.93 = 510,071.94/x
  3. Step 3: Cross multiply
    939,791.77x = 1,296,913.93 × 510,071.94
  4. Step 4: Simplify right side
    939,791.77x = 661,519,403,012.94
  5. Step 5: Solve for x
    x = 661,519,403,012.94/939,791.77
  6. Step 6: Final answer
    x = 703,899.98

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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.