Home / 547,118.12-755,148.96-320,836.52

Finding the Fourth Proportional to 547,118.12, 755,148.96 and 320,836.52

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Solution

The fourth proportional to 547,118.12, 755,148.96 and 320,836.52 is: 442,828.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,118.12 : 755,148.96 = 320,836.52 : x
  2. Step 2: Convert to fraction form
    547,118.12/755,148.96 = 320,836.52/x
  3. Step 3: Cross multiply
    547,118.12x = 755,148.96 × 320,836.52
  4. Step 4: Simplify right side
    547,118.12x = 242,279,364,408.02
  5. Step 5: Solve for x
    x = 242,279,364,408.02/547,118.12
  6. Step 6: Final answer
    x = 442,828.26

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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.