Home / 629,322.57-943,633.94-208,368.81

Finding the Fourth Proportional to 629,322.57, 943,633.94 and 208,368.81

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Solution

The fourth proportional to 629,322.57, 943,633.94 and 208,368.81 is: 312,437.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,322.57 : 943,633.94 = 208,368.81 : x
  2. Step 2: Convert to fraction form
    629,322.57/943,633.94 = 208,368.81/x
  3. Step 3: Cross multiply
    629,322.57x = 943,633.94 × 208,368.81
  4. Step 4: Simplify right side
    629,322.57x = 196,623,880,111.57
  5. Step 5: Solve for x
    x = 196,623,880,111.57/629,322.57
  6. Step 6: Final answer
    x = 312,437.36

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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.