Home / 847,107.33-1,169,008.12-465,134.11

Finding the Fourth Proportional to 847,107.33, 1,169,008.12 and 465,134.11

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Solution

The fourth proportional to 847,107.33, 1,169,008.12 and 465,134.11 is: 641,885.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,107.33 : 1,169,008.12 = 465,134.11 : x
  2. Step 2: Convert to fraction form
    847,107.33/1,169,008.12 = 465,134.11/x
  3. Step 3: Cross multiply
    847,107.33x = 1,169,008.12 × 465,134.11
  4. Step 4: Simplify right side
    847,107.33x = 543,745,557,021.73
  5. Step 5: Solve for x
    x = 543,745,557,021.73/847,107.33
  6. Step 6: Final answer
    x = 641,885.08

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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.