Home / 436,444.20-654,666.30-325,852.20

Finding the Fourth Proportional to 436,444.20, 654,666.30 and 325,852.20

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Solution

The fourth proportional to 436,444.20, 654,666.30 and 325,852.20 is: 488,778.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,444.20 : 654,666.30 = 325,852.20 : x
  2. Step 2: Convert to fraction form
    436,444.20/654,666.30 = 325,852.20/x
  3. Step 3: Cross multiply
    436,444.20x = 654,666.30 × 325,852.20
  4. Step 4: Simplify right side
    436,444.20x = 213,324,454,120.86
  5. Step 5: Solve for x
    x = 213,324,454,120.86/436,444.20
  6. Step 6: Final answer
    x = 488,778.30

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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.