Home / 970,121.12-1,455,171.44-379,140

Finding the Fourth Proportional to 970,121.12, 1,455,171.44 and 379,140

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Solution

The fourth proportional to 970,121.12, 1,455,171.44 and 379,140 is: 568,706.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,121.12 : 1,455,171.44 = 379,140 : x
  2. Step 2: Convert to fraction form
    970,121.12/1,455,171.44 = 379,140/x
  3. Step 3: Cross multiply
    970,121.12x = 1,455,171.44 × 379,140
  4. Step 4: Simplify right side
    970,121.12x = 551,713,699,761.60
  5. Step 5: Solve for x
    x = 551,713,699,761.60/970,121.12
  6. Step 6: Final answer
    x = 568,706.00

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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.