Home / 377,965.20-566,947.80-311,480.40

Finding the Fourth Proportional to 377,965.20, 566,947.80 and 311,480.40

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Solution

The fourth proportional to 377,965.20, 566,947.80 and 311,480.40 is: 467,220.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,965.20 : 566,947.80 = 311,480.40 : x
  2. Step 2: Convert to fraction form
    377,965.20/566,947.80 = 311,480.40/x
  3. Step 3: Cross multiply
    377,965.20x = 566,947.80 × 311,480.40
  4. Step 4: Simplify right side
    377,965.20x = 176,593,127,523.12
  5. Step 5: Solve for x
    x = 176,593,127,523.12/377,965.20
  6. Step 6: Final answer
    x = 467,220.60

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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.