Home / 307,588.40-461,382.60-305,514.80

Finding the Fourth Proportional to 307,588.40, 461,382.60 and 305,514.80

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Solution

The fourth proportional to 307,588.40, 461,382.60 and 305,514.80 is: 458,272.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,588.40 : 461,382.60 = 305,514.80 : x
  2. Step 2: Convert to fraction form
    307,588.40/461,382.60 = 305,514.80/x
  3. Step 3: Cross multiply
    307,588.40x = 461,382.60 × 305,514.80
  4. Step 4: Simplify right side
    307,588.40x = 140,959,212,762.48
  5. Step 5: Solve for x
    x = 140,959,212,762.48/307,588.40
  6. Step 6: Final answer
    x = 458,272.20

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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.