Home / 869,661.40-1,304,427.30-364,091.80

Finding the Fourth Proportional to 869,661.40, 1,304,427.30 and 364,091.80

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Solution

The fourth proportional to 869,661.40, 1,304,427.30 and 364,091.80 is: 546,110.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,661.40 : 1,304,427.30 = 364,091.80 : x
  2. Step 2: Convert to fraction form
    869,661.40/1,304,427.30 = 364,091.80/x
  3. Step 3: Cross multiply
    869,661.40x = 1,304,427.30 × 364,091.80
  4. Step 4: Simplify right side
    869,661.40x = 474,931,283,626.14
  5. Step 5: Solve for x
    x = 474,931,283,626.14/869,661.40
  6. Step 6: Final answer
    x = 546,110.57

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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.