Home / 769,610.34-1,154,664.63-370,199.16

Finding the Fourth Proportional to 769,610.34, 1,154,664.63 and 370,199.16

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Solution

The fourth proportional to 769,610.34, 1,154,664.63 and 370,199.16 is: 555,418.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,610.34 : 1,154,664.63 = 370,199.16 : x
  2. Step 2: Convert to fraction form
    769,610.34/1,154,664.63 = 370,199.16/x
  3. Step 3: Cross multiply
    769,610.34x = 1,154,664.63 × 370,199.16
  4. Step 4: Simplify right side
    769,610.34x = 427,455,876,107.71
  5. Step 5: Solve for x
    x = 427,455,876,107.71/769,610.34
  6. Step 6: Final answer
    x = 555,418.57

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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.