Home / 939,730.28-1,296,827.76-510,010.44

Finding the Fourth Proportional to 939,730.28, 1,296,827.76 and 510,010.44

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Solution

The fourth proportional to 939,730.28, 1,296,827.76 and 510,010.44 is: 703,814.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,730.28 : 1,296,827.76 = 510,010.44 : x
  2. Step 2: Convert to fraction form
    939,730.28/1,296,827.76 = 510,010.44/x
  3. Step 3: Cross multiply
    939,730.28x = 1,296,827.76 × 510,010.44
  4. Step 4: Simplify right side
    939,730.28x = 661,395,696,481.82
  5. Step 5: Solve for x
    x = 661,395,696,481.82/939,730.28
  6. Step 6: Final answer
    x = 703,814.39

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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.