Home / 899,648.36-1,349,273.28-259,812.80

Finding the Fourth Proportional to 899,648.36, 1,349,273.28 and 259,812.80

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Solution

The fourth proportional to 899,648.36, 1,349,273.28 and 259,812.80 is: 389,661.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,648.36 : 1,349,273.28 = 259,812.80 : x
  2. Step 2: Convert to fraction form
    899,648.36/1,349,273.28 = 259,812.80/x
  3. Step 3: Cross multiply
    899,648.36x = 1,349,273.28 × 259,812.80
  4. Step 4: Simplify right side
    899,648.36x = 350,558,468,841.98
  5. Step 5: Solve for x
    x = 350,558,468,841.98/899,648.36
  6. Step 6: Final answer
    x = 389,661.65

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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.