Home / 899,245.80-1,348,674.30-393,805.80

Finding the Fourth Proportional to 899,245.80, 1,348,674.30 and 393,805.80

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Solution

The fourth proportional to 899,245.80, 1,348,674.30 and 393,805.80 is: 590,623.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,245.80 : 1,348,674.30 = 393,805.80 : x
  2. Step 2: Convert to fraction form
    899,245.80/1,348,674.30 = 393,805.80/x
  3. Step 3: Cross multiply
    899,245.80x = 1,348,674.30 × 393,805.80
  4. Step 4: Simplify right side
    899,245.80x = 531,115,761,650.94
  5. Step 5: Solve for x
    x = 531,115,761,650.94/899,245.80
  6. Step 6: Final answer
    x = 590,623.57

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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.