Home / 696,433.05-1,044,945.09-380,520.90

Finding the Fourth Proportional to 696,433.05, 1,044,945.09 and 380,520.90

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Solution

The fourth proportional to 696,433.05, 1,044,945.09 and 380,520.90 is: 570,942.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,433.05 : 1,044,945.09 = 380,520.90 : x
  2. Step 2: Convert to fraction form
    696,433.05/1,044,945.09 = 380,520.90/x
  3. Step 3: Cross multiply
    696,433.05x = 1,044,945.09 × 380,520.90
  4. Step 4: Simplify right side
    696,433.05x = 397,623,446,097.38
  5. Step 5: Solve for x
    x = 397,623,446,097.38/696,433.05
  6. Step 6: Final answer
    x = 570,942.82

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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.