Home / 829,942.46-1,145,309.36-467,370.80

Finding the Fourth Proportional to 829,942.46, 1,145,309.36 and 467,370.80

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Solution

The fourth proportional to 829,942.46, 1,145,309.36 and 467,370.80 is: 644,965.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,942.46 : 1,145,309.36 = 467,370.80 : x
  2. Step 2: Convert to fraction form
    829,942.46/1,145,309.36 = 467,370.80/x
  3. Step 3: Cross multiply
    829,942.46x = 1,145,309.36 × 467,370.80
  4. Step 4: Simplify right side
    829,942.46x = 535,284,151,830.69
  5. Step 5: Solve for x
    x = 535,284,151,830.69/829,942.46
  6. Step 6: Final answer
    x = 644,965.38

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Double scale
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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.