Home / 626,412.11-864,450.95-339,932.12

Finding the Fourth Proportional to 626,412.11, 864,450.95 and 339,932.12

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Solution

The fourth proportional to 626,412.11, 864,450.95 and 339,932.12 is: 469,107.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,412.11 : 864,450.95 = 339,932.12 : x
  2. Step 2: Convert to fraction form
    626,412.11/864,450.95 = 339,932.12/x
  3. Step 3: Cross multiply
    626,412.11x = 864,450.95 × 339,932.12
  4. Step 4: Simplify right side
    626,412.11x = 293,854,638,047.60
  5. Step 5: Solve for x
    x = 293,854,638,047.60/626,412.11
  6. Step 6: Final answer
    x = 469,107.53

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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.