Home / 765,748.70-1,148,623.06-204,768.62

Finding the Fourth Proportional to 765,748.70, 1,148,623.06 and 204,768.62

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Solution

The fourth proportional to 765,748.70, 1,148,623.06 and 204,768.62 is: 307,152.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,748.70 : 1,148,623.06 = 204,768.62 : x
  2. Step 2: Convert to fraction form
    765,748.70/1,148,623.06 = 204,768.62/x
  3. Step 3: Cross multiply
    765,748.70x = 1,148,623.06 × 204,768.62
  4. Step 4: Simplify right side
    765,748.70x = 235,201,958,896.38
  5. Step 5: Solve for x
    x = 235,201,958,896.38/765,748.70
  6. Step 6: Final answer
    x = 307,152.93

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1.5x scale

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.