Home / 869,725.80-1,304,588.70-604,005.30

Finding the Fourth Proportional to 869,725.80, 1,304,588.70 and 604,005.30

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Solution

The fourth proportional to 869,725.80, 1,304,588.70 and 604,005.30 is: 906,007.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,725.80 : 1,304,588.70 = 604,005.30 : x
  2. Step 2: Convert to fraction form
    869,725.80/1,304,588.70 = 604,005.30/x
  3. Step 3: Cross multiply
    869,725.80x = 1,304,588.70 × 604,005.30
  4. Step 4: Simplify right side
    869,725.80x = 787,978,489,120.11
  5. Step 5: Solve for x
    x = 787,978,489,120.11/869,725.80
  6. Step 6: Final answer
    x = 906,007.95

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Similar ratio
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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.