Home / 436,437.20-654,655.80-325,845.20

Finding the Fourth Proportional to 436,437.20, 654,655.80 and 325,845.20

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Solution

The fourth proportional to 436,437.20, 654,655.80 and 325,845.20 is: 488,767.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,437.20 : 654,655.80 = 325,845.20 : x
  2. Step 2: Convert to fraction form
    436,437.20/654,655.80 = 325,845.20/x
  3. Step 3: Cross multiply
    436,437.20x = 654,655.80 × 325,845.20
  4. Step 4: Simplify right side
    436,437.20x = 213,316,450,082.16
  5. Step 5: Solve for x
    x = 213,316,450,082.16/436,437.20
  6. Step 6: Final answer
    x = 488,767.80

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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.