Home / 790,814.34-1,091,401.85-451,333.38

Finding the Fourth Proportional to 790,814.34, 1,091,401.85 and 451,333.38

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Solution

The fourth proportional to 790,814.34, 1,091,401.85 and 451,333.38 is: 622,884.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,814.34 : 1,091,401.85 = 451,333.38 : x
  2. Step 2: Convert to fraction form
    790,814.34/1,091,401.85 = 451,333.38/x
  3. Step 3: Cross multiply
    790,814.34x = 1,091,401.85 × 451,333.38
  4. Step 4: Simplify right side
    790,814.34x = 492,586,085,898.75
  5. Step 5: Solve for x
    x = 492,586,085,898.75/790,814.34
  6. Step 6: Final answer
    x = 622,884.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.