Home / 939,723.30-1,296,818.13-510,003.42

Finding the Fourth Proportional to 939,723.30, 1,296,818.13 and 510,003.42

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Solution

The fourth proportional to 939,723.30, 1,296,818.13 and 510,003.42 is: 703,804.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,723.30 : 1,296,818.13 = 510,003.42 : x
  2. Step 2: Convert to fraction form
    939,723.30/1,296,818.13 = 510,003.42/x
  3. Step 3: Cross multiply
    939,723.30x = 1,296,818.13 × 510,003.42
  4. Step 4: Simplify right side
    939,723.30x = 661,381,681,418.01
  5. Step 5: Solve for x
    x = 661,381,681,418.01/939,723.30
  6. Step 6: Final answer
    x = 703,804.71

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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.