Home / 853,361.06-1,280,041.17-254,306.93

Finding the Fourth Proportional to 853,361.06, 1,280,041.17 and 254,306.93

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Solution

The fourth proportional to 853,361.06, 1,280,041.17 and 254,306.93 is: 381,460.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,361.06 : 1,280,041.17 = 254,306.93 : x
  2. Step 2: Convert to fraction form
    853,361.06/1,280,041.17 = 254,306.93/x
  3. Step 3: Cross multiply
    853,361.06x = 1,280,041.17 × 254,306.93
  4. Step 4: Simplify right side
    853,361.06x = 325,523,340,216.31
  5. Step 5: Solve for x
    x = 325,523,340,216.31/853,361.06
  6. Step 6: Final answer
    x = 381,460.27

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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.