Home / 545,218.04-752,408.06-300,231.52

Finding the Fourth Proportional to 545,218.04, 752,408.06 and 300,231.52

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Solution

The fourth proportional to 545,218.04, 752,408.06 and 300,231.52 is: 414,323.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,218.04 : 752,408.06 = 300,231.52 : x
  2. Step 2: Convert to fraction form
    545,218.04/752,408.06 = 300,231.52/x
  3. Step 3: Cross multiply
    545,218.04x = 752,408.06 × 300,231.52
  4. Step 4: Simplify right side
    545,218.04x = 225,896,612,131.87
  5. Step 5: Solve for x
    x = 225,896,612,131.87/545,218.04
  6. Step 6: Final answer
    x = 414,323.43

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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.