Home / 939,818.39-1,296,914.63-510,089.29

Finding the Fourth Proportional to 939,818.39, 1,296,914.63 and 510,089.29

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Solution

The fourth proportional to 939,818.39, 1,296,914.63 and 510,089.29 is: 703,904.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,818.39 : 1,296,914.63 = 510,089.29 : x
  2. Step 2: Convert to fraction form
    939,818.39/1,296,914.63 = 510,089.29/x
  3. Step 3: Cross multiply
    939,818.39x = 1,296,914.63 × 510,089.29
  4. Step 4: Simplify right side
    939,818.39x = 661,542,257,014.58
  5. Step 5: Solve for x
    x = 661,542,257,014.58/939,818.39
  6. Step 6: Final answer
    x = 703,904.36

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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.