Home / 776,269.59-1,164,404.30-215,304.09

Finding the Fourth Proportional to 776,269.59, 1,164,404.30 and 215,304.09

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Solution

The fourth proportional to 776,269.59, 1,164,404.30 and 215,304.09 is: 322,956.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,269.59 : 1,164,404.30 = 215,304.09 : x
  2. Step 2: Convert to fraction form
    776,269.59/1,164,404.30 = 215,304.09/x
  3. Step 3: Cross multiply
    776,269.59x = 1,164,404.30 × 215,304.09
  4. Step 4: Simplify right side
    776,269.59x = 250,701,007,127.07
  5. Step 5: Solve for x
    x = 250,701,007,127.07/776,269.59
  6. Step 6: Final answer
    x = 322,956.11

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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.