Home / 436,460.20-654,690.30-325,868.20

Finding the Fourth Proportional to 436,460.20, 654,690.30 and 325,868.20

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Solution

The fourth proportional to 436,460.20, 654,690.30 and 325,868.20 is: 488,802.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,460.20 : 654,690.30 = 325,868.20 : x
  2. Step 2: Convert to fraction form
    436,460.20/654,690.30 = 325,868.20/x
  3. Step 3: Cross multiply
    436,460.20x = 654,690.30 × 325,868.20
  4. Step 4: Simplify right side
    436,460.20x = 213,342,749,618.46
  5. Step 5: Solve for x
    x = 213,342,749,618.46/436,460.20
  6. Step 6: Final answer
    x = 488,802.30

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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.