Home / 767,061.60-1,147,699.68-458,168.44

Finding the Fourth Proportional to 767,061.60, 1,147,699.68 and 458,168.44

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Solution

The fourth proportional to 767,061.60, 1,147,699.68 and 458,168.44 is: 685,524.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,061.60 : 1,147,699.68 = 458,168.44 : x
  2. Step 2: Convert to fraction form
    767,061.60/1,147,699.68 = 458,168.44/x
  3. Step 3: Cross multiply
    767,061.60x = 1,147,699.68 × 458,168.44
  4. Step 4: Simplify right side
    767,061.60x = 525,839,771,974.10
  5. Step 5: Solve for x
    x = 525,839,771,974.10/767,061.60
  6. Step 6: Final answer
    x = 685,524.83

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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.