Home / 869,729.40-1,304,529.30-364,159.80

Finding the Fourth Proportional to 869,729.40, 1,304,529.30 and 364,159.80

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Solution

The fourth proportional to 869,729.40, 1,304,529.30 and 364,159.80 is: 546,212.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,729.40 : 1,304,529.30 = 364,159.80 : x
  2. Step 2: Convert to fraction form
    869,729.40/1,304,529.30 = 364,159.80/x
  3. Step 3: Cross multiply
    869,729.40x = 1,304,529.30 × 364,159.80
  4. Step 4: Simplify right side
    869,729.40x = 475,057,128,982.14
  5. Step 5: Solve for x
    x = 475,057,128,982.14/869,729.40
  6. Step 6: Final answer
    x = 546,212.57

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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.