Home / 939,782.38-1,296,900.84-510,062.44

Finding the Fourth Proportional to 939,782.38, 1,296,900.84 and 510,062.44

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Solution

The fourth proportional to 939,782.38, 1,296,900.84 and 510,062.44 is: 703,886.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,782.38 : 1,296,900.84 = 510,062.44 : x
  2. Step 2: Convert to fraction form
    939,782.38/1,296,900.84 = 510,062.44/x
  3. Step 3: Cross multiply
    939,782.38x = 1,296,900.84 × 510,062.44
  4. Step 4: Simplify right side
    939,782.38x = 661,500,406,888.45
  5. Step 5: Solve for x
    x = 661,500,406,888.45/939,782.38
  6. Step 6: Final answer
    x = 703,886.79

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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.