Home / 765,904.80-1,148,769.66-204,983.04

Finding the Fourth Proportional to 765,904.80, 1,148,769.66 and 204,983.04

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Solution

The fourth proportional to 765,904.80, 1,148,769.66 and 204,983.04 is: 307,451.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,904.80 : 1,148,769.66 = 204,983.04 : x
  2. Step 2: Convert to fraction form
    765,904.80/1,148,769.66 = 204,983.04/x
  3. Step 3: Cross multiply
    765,904.80x = 1,148,769.66 × 204,983.04
  4. Step 4: Simplify right side
    765,904.80x = 235,478,297,166.57
  5. Step 5: Solve for x
    x = 235,478,297,166.57/765,904.80
  6. Step 6: Final answer
    x = 307,451.13

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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.