Home / 756,412.53-1,043,831.31-412,259.33

Finding the Fourth Proportional to 756,412.53, 1,043,831.31 and 412,259.33

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Solution

The fourth proportional to 756,412.53, 1,043,831.31 and 412,259.33 is: 568,908.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,412.53 : 1,043,831.31 = 412,259.33 : x
  2. Step 2: Convert to fraction form
    756,412.53/1,043,831.31 = 412,259.33/x
  3. Step 3: Cross multiply
    756,412.53x = 1,043,831.31 × 412,259.33
  4. Step 4: Simplify right side
    756,412.53x = 430,329,196,493.62
  5. Step 5: Solve for x
    x = 430,329,196,493.62/756,412.53
  6. Step 6: Final answer
    x = 568,908.08

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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.