Home / 816,789.26-1,127,004.00-477,191.90

Finding the Fourth Proportional to 816,789.26, 1,127,004.00 and 477,191.90

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Solution

The fourth proportional to 816,789.26, 1,127,004.00 and 477,191.90 is: 658,428.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,789.26 : 1,127,004.00 = 477,191.90 : x
  2. Step 2: Convert to fraction form
    816,789.26/1,127,004.00 = 477,191.90/x
  3. Step 3: Cross multiply
    816,789.26x = 1,127,004.00 × 477,191.90
  4. Step 4: Simplify right side
    816,789.26x = 537,797,176,869.38
  5. Step 5: Solve for x
    x = 537,797,176,869.38/816,789.26
  6. Step 6: Final answer
    x = 658,428.32

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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.