Home / 629,146.80-869,053.50-466,134.48

Finding the Fourth Proportional to 629,146.80, 869,053.50 and 466,134.48

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Solution

The fourth proportional to 629,146.80, 869,053.50 and 466,134.48 is: 643,881.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,146.80 : 869,053.50 = 466,134.48 : x
  2. Step 2: Convert to fraction form
    629,146.80/869,053.50 = 466,134.48/x
  3. Step 3: Cross multiply
    629,146.80x = 869,053.50 × 466,134.48
  4. Step 4: Simplify right side
    629,146.80x = 405,095,801,314.68
  5. Step 5: Solve for x
    x = 405,095,801,314.68/629,146.80
  6. Step 6: Final answer
    x = 643,881.21

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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.