Home / 899,532.09-1,349,099.40-259,696.85

Finding the Fourth Proportional to 899,532.09, 1,349,099.40 and 259,696.85

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Solution

The fourth proportional to 899,532.09, 1,349,099.40 and 259,696.85 is: 389,487.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,532.09 : 1,349,099.40 = 259,696.85 : x
  2. Step 2: Convert to fraction form
    899,532.09/1,349,099.40 = 259,696.85/x
  3. Step 3: Cross multiply
    899,532.09x = 1,349,099.40 × 259,696.85
  4. Step 4: Simplify right side
    899,532.09x = 350,356,857,771.39
  5. Step 5: Solve for x
    x = 350,356,857,771.39/899,532.09
  6. Step 6: Final answer
    x = 389,487.89

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Double scale
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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.