Home / 939,770.58-1,296,884.68-510,050.72

Finding the Fourth Proportional to 939,770.58, 1,296,884.68 and 510,050.72

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Solution

The fourth proportional to 939,770.58, 1,296,884.68 and 510,050.72 is: 703,870.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,770.58 : 1,296,884.68 = 510,050.72 : x
  2. Step 2: Convert to fraction form
    939,770.58/1,296,884.68 = 510,050.72/x
  3. Step 3: Cross multiply
    939,770.58x = 1,296,884.68 × 510,050.72
  4. Step 4: Simplify right side
    939,770.58x = 661,476,964,790.97
  5. Step 5: Solve for x
    x = 661,476,964,790.97/939,770.58
  6. Step 6: Final answer
    x = 703,870.69

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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.