Home / 899,649.36-1,349,274.78-259,813.80

Finding the Fourth Proportional to 899,649.36, 1,349,274.78 and 259,813.80

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Solution

The fourth proportional to 899,649.36, 1,349,274.78 and 259,813.80 is: 389,663.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,649.36 : 1,349,274.78 = 259,813.80 : x
  2. Step 2: Convert to fraction form
    899,649.36/1,349,274.78 = 259,813.80/x
  3. Step 3: Cross multiply
    899,649.36x = 1,349,274.78 × 259,813.80
  4. Step 4: Simplify right side
    899,649.36x = 350,560,207,835.96
  5. Step 5: Solve for x
    x = 350,560,207,835.96/899,649.36
  6. Step 6: Final answer
    x = 389,663.15

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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.