Home / 380,724.73-570,613.21-245,432.05

Finding the Fourth Proportional to 380,724.73, 570,613.21 and 245,432.05

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Solution

The fourth proportional to 380,724.73, 570,613.21 and 245,432.05 is: 367,842.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,724.73 : 570,613.21 = 245,432.05 : x
  2. Step 2: Convert to fraction form
    380,724.73/570,613.21 = 245,432.05/x
  3. Step 3: Cross multiply
    380,724.73x = 570,613.21 × 245,432.05
  4. Step 4: Simplify right side
    380,724.73x = 140,046,769,887.38
  5. Step 5: Solve for x
    x = 140,046,769,887.38/380,724.73
  6. Step 6: Final answer
    x = 367,842.59

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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.