Home / 765,774.72-1,148,661.81-204,794.64

Finding the Fourth Proportional to 765,774.72, 1,148,661.81 and 204,794.64

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Solution

The fourth proportional to 765,774.72, 1,148,661.81 and 204,794.64 is: 307,191.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,774.72 : 1,148,661.81 = 204,794.64 : x
  2. Step 2: Convert to fraction form
    765,774.72/1,148,661.81 = 204,794.64/x
  3. Step 3: Cross multiply
    765,774.72x = 1,148,661.81 × 204,794.64
  4. Step 4: Simplify right side
    765,774.72x = 235,239,781,860.70
  5. Step 5: Solve for x
    x = 235,239,781,860.70/765,774.72
  6. Step 6: Final answer
    x = 307,191.89

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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.