Home / 629,943.69-943,268.40-345,041.58

Finding the Fourth Proportional to 629,943.69, 943,268.40 and 345,041.58

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Solution

The fourth proportional to 629,943.69, 943,268.40 and 345,041.58 is: 516,660.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,943.69 : 943,268.40 = 345,041.58 : x
  2. Step 2: Convert to fraction form
    629,943.69/943,268.40 = 345,041.58/x
  3. Step 3: Cross multiply
    629,943.69x = 943,268.40 × 345,041.58
  4. Step 4: Simplify right side
    629,943.69x = 325,466,819,100.07
  5. Step 5: Solve for x
    x = 325,466,819,100.07/629,943.69
  6. Step 6: Final answer
    x = 516,660.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.