Home / 419,637.08-629,895.90-371,911.19

Finding the Fourth Proportional to 419,637.08, 629,895.90 and 371,911.19

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Solution

The fourth proportional to 419,637.08, 629,895.90 and 371,911.19 is: 558,256.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,637.08 : 629,895.90 = 371,911.19 : x
  2. Step 2: Convert to fraction form
    419,637.08/629,895.90 = 371,911.19/x
  3. Step 3: Cross multiply
    419,637.08x = 629,895.90 × 371,911.19
  4. Step 4: Simplify right side
    419,637.08x = 234,265,330,595.64
  5. Step 5: Solve for x
    x = 234,265,330,595.64/419,637.08
  6. Step 6: Final answer
    x = 558,256.98

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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.