Home / 869,885.35-1,304,946.63-505,318.23

Finding the Fourth Proportional to 869,885.35, 1,304,946.63 and 505,318.23

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Solution

The fourth proportional to 869,885.35, 1,304,946.63 and 505,318.23 is: 758,046.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,885.35 : 1,304,946.63 = 505,318.23 : x
  2. Step 2: Convert to fraction form
    869,885.35/1,304,946.63 = 505,318.23/x
  3. Step 3: Cross multiply
    869,885.35x = 1,304,946.63 × 505,318.23
  4. Step 4: Simplify right side
    869,885.35x = 659,413,321,316.07
  5. Step 5: Solve for x
    x = 659,413,321,316.07/869,885.35
  6. Step 6: Final answer
    x = 758,046.25

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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.