Home / 829,805.80-1,245,000.30-297,344.20

Finding the Fourth Proportional to 829,805.80, 1,245,000.30 and 297,344.20

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Solution

The fourth proportional to 829,805.80, 1,245,000.30 and 297,344.20 is: 446,120.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,805.80 : 1,245,000.30 = 297,344.20 : x
  2. Step 2: Convert to fraction form
    829,805.80/1,245,000.30 = 297,344.20/x
  3. Step 3: Cross multiply
    829,805.80x = 1,245,000.30 × 297,344.20
  4. Step 4: Simplify right side
    829,805.80x = 370,193,618,203.26
  5. Step 5: Solve for x
    x = 370,193,618,203.26/829,805.80
  6. Step 6: Final answer
    x = 446,120.79

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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.