Home / 756,719.64-1,135,075.36-324,373.43

Finding the Fourth Proportional to 756,719.64, 1,135,075.36 and 324,373.43

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Solution

The fourth proportional to 756,719.64, 1,135,075.36 and 324,373.43 is: 486,558.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,719.64 : 1,135,075.36 = 324,373.43 : x
  2. Step 2: Convert to fraction form
    756,719.64/1,135,075.36 = 324,373.43/x
  3. Step 3: Cross multiply
    756,719.64x = 1,135,075.36 × 324,373.43
  4. Step 4: Simplify right side
    756,719.64x = 368,188,287,831.69
  5. Step 5: Solve for x
    x = 368,188,287,831.69/756,719.64
  6. Step 6: Final answer
    x = 486,558.39

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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.