Home / 626,421.38-864,462.06-339,941.46

Finding the Fourth Proportional to 626,421.38, 864,462.06 and 339,941.46

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Solution

The fourth proportional to 626,421.38, 864,462.06 and 339,941.46 is: 469,119.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,421.38 : 864,462.06 = 339,941.46 : x
  2. Step 2: Convert to fraction form
    626,421.38/864,462.06 = 339,941.46/x
  3. Step 3: Cross multiply
    626,421.38x = 864,462.06 × 339,941.46
  4. Step 4: Simplify right side
    626,421.38x = 293,866,494,791.01
  5. Step 5: Solve for x
    x = 293,866,494,791.01/626,421.38
  6. Step 6: Final answer
    x = 469,119.52

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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.