Home / 905,687.58-1,358,448.06-306,580.26

Finding the Fourth Proportional to 905,687.58, 1,358,448.06 and 306,580.26

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Solution

The fourth proportional to 905,687.58, 1,358,448.06 and 306,580.26 is: 459,842.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,687.58 : 1,358,448.06 = 306,580.26 : x
  2. Step 2: Convert to fraction form
    905,687.58/1,358,448.06 = 306,580.26/x
  3. Step 3: Cross multiply
    905,687.58x = 1,358,448.06 × 306,580.26
  4. Step 4: Simplify right side
    905,687.58x = 416,473,359,431.30
  5. Step 5: Solve for x
    x = 416,473,359,431.30/905,687.58
  6. Step 6: Final answer
    x = 459,842.19

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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.