Home / 850,532.32-1,275,355.53-401,132.53

Finding the Fourth Proportional to 850,532.32, 1,275,355.53 and 401,132.53

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Solution

The fourth proportional to 850,532.32, 1,275,355.53 and 401,132.53 is: 601,489.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,532.32 : 1,275,355.53 = 401,132.53 : x
  2. Step 2: Convert to fraction form
    850,532.32/1,275,355.53 = 401,132.53/x
  3. Step 3: Cross multiply
    850,532.32x = 1,275,355.53 × 401,132.53
  4. Step 4: Simplify right side
    850,532.32x = 511,586,588,405.65
  5. Step 5: Solve for x
    x = 511,586,588,405.65/850,532.32
  6. Step 6: Final answer
    x = 601,489.88

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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.