Home / 370,378.08-555,217.20-336,435.84

Finding the Fourth Proportional to 370,378.08, 555,217.20 and 336,435.84

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Solution

The fourth proportional to 370,378.08, 555,217.20 and 336,435.84 is: 504,335.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,378.08 : 555,217.20 = 336,435.84 : x
  2. Step 2: Convert to fraction form
    370,378.08/555,217.20 = 336,435.84/x
  3. Step 3: Cross multiply
    370,378.08x = 555,217.20 × 336,435.84
  4. Step 4: Simplify right side
    370,378.08x = 186,794,965,064.45
  5. Step 5: Solve for x
    x = 186,794,965,064.45/370,378.08
  6. Step 6: Final answer
    x = 504,335.91

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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.