Home / 855,508.32-1,283,457.60-455,938.56

Finding the Fourth Proportional to 855,508.32, 1,283,457.60 and 455,938.56

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Solution

The fourth proportional to 855,508.32, 1,283,457.60 and 455,938.56 is: 684,011.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,508.32 : 1,283,457.60 = 455,938.56 : x
  2. Step 2: Convert to fraction form
    855,508.32/1,283,457.60 = 455,938.56/x
  3. Step 3: Cross multiply
    855,508.32x = 1,283,457.60 × 455,938.56
  4. Step 4: Simplify right side
    855,508.32x = 585,177,809,965.06
  5. Step 5: Solve for x
    x = 585,177,809,965.06/855,508.32
  6. Step 6: Final answer
    x = 684,011.83

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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.