Home / 765,669.38-1,148,416.49-204,747.62

Finding the Fourth Proportional to 765,669.38, 1,148,416.49 and 204,747.62

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Solution

The fourth proportional to 765,669.38, 1,148,416.49 and 204,747.62 is: 307,098.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,669.38 : 1,148,416.49 = 204,747.62 : x
  2. Step 2: Convert to fraction form
    765,669.38/1,148,416.49 = 204,747.62/x
  3. Step 3: Cross multiply
    765,669.38x = 1,148,416.49 × 204,747.62
  4. Step 4: Simplify right side
    765,669.38x = 235,135,537,866.04
  5. Step 5: Solve for x
    x = 235,135,537,866.04/765,669.38
  6. Step 6: Final answer
    x = 307,098.01

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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.