Home / 547,738.94-755,750.15-318,159.83

Finding the Fourth Proportional to 547,738.94, 755,750.15 and 318,159.83

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Solution

The fourth proportional to 547,738.94, 755,750.15 and 318,159.83 is: 438,985.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,738.94 : 755,750.15 = 318,159.83 : x
  2. Step 2: Convert to fraction form
    547,738.94/755,750.15 = 318,159.83/x
  3. Step 3: Cross multiply
    547,738.94x = 755,750.15 × 318,159.83
  4. Step 4: Simplify right side
    547,738.94x = 240,449,340,738.15
  5. Step 5: Solve for x
    x = 240,449,340,738.15/547,738.94
  6. Step 6: Final answer
    x = 438,985.29

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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.