Home / 939,730.87-1,296,338.74-577,236.43

Finding the Fourth Proportional to 939,730.87, 1,296,338.74 and 577,236.43

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Solution

The fourth proportional to 939,730.87, 1,296,338.74 and 577,236.43 is: 796,285.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,730.87 : 1,296,338.74 = 577,236.43 : x
  2. Step 2: Convert to fraction form
    939,730.87/1,296,338.74 = 577,236.43/x
  3. Step 3: Cross multiply
    939,730.87x = 1,296,338.74 × 577,236.43
  4. Step 4: Simplify right side
    939,730.87x = 748,293,946,348.30
  5. Step 5: Solve for x
    x = 748,293,946,348.30/939,730.87
  6. Step 6: Final answer
    x = 796,285.37

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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.