Home / 939,830.38-1,296,968.42-510,110.51

Finding the Fourth Proportional to 939,830.38, 1,296,968.42 and 510,110.51

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Solution

The fourth proportional to 939,830.38, 1,296,968.42 and 510,110.51 is: 703,953.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,830.38 : 1,296,968.42 = 510,110.51 : x
  2. Step 2: Convert to fraction form
    939,830.38/1,296,968.42 = 510,110.51/x
  3. Step 3: Cross multiply
    939,830.38x = 1,296,968.42 × 510,110.51
  4. Step 4: Simplify right side
    939,830.38x = 661,597,218,010.22
  5. Step 5: Solve for x
    x = 661,597,218,010.22/939,830.38
  6. Step 6: Final answer
    x = 703,953.85

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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.