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Finding the Fourth Proportional to 802,907.12, 1,204,563.16 and 566,711.12

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Solution

The fourth proportional to 802,907.12, 1,204,563.16 and 566,711.12 is: 850,209.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,907.12 : 1,204,563.16 = 566,711.12 : x
  2. Step 2: Convert to fraction form
    802,907.12/1,204,563.16 = 566,711.12/x
  3. Step 3: Cross multiply
    802,907.12x = 1,204,563.16 × 566,711.12
  4. Step 4: Simplify right side
    802,907.12x = 682,639,337,514.34
  5. Step 5: Solve for x
    x = 682,639,337,514.34/802,907.12
  6. Step 6: Final answer
    x = 850,209.60

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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.