Home / 820,434.72-1,132,227-476,243.04

Finding the Fourth Proportional to 820,434.72, 1,132,227 and 476,243.04

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Solution

The fourth proportional to 820,434.72, 1,132,227 and 476,243.04 is: 657,231.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,434.72 : 1,132,227 = 476,243.04 : x
  2. Step 2: Convert to fraction form
    820,434.72/1,132,227 = 476,243.04/x
  3. Step 3: Cross multiply
    820,434.72x = 1,132,227 × 476,243.04
  4. Step 4: Simplify right side
    820,434.72x = 539,215,228,450.08
  5. Step 5: Solve for x
    x = 539,215,228,450.08/820,434.72
  6. Step 6: Final answer
    x = 657,231.12

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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.