Home / 915,856.32-1,372,814.88-308,066.03

Finding the Fourth Proportional to 915,856.32, 1,372,814.88 and 308,066.03

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Solution

The fourth proportional to 915,856.32, 1,372,814.88 and 308,066.03 is: 461,772.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,856.32 : 1,372,814.88 = 308,066.03 : x
  2. Step 2: Convert to fraction form
    915,856.32/1,372,814.88 = 308,066.03/x
  3. Step 3: Cross multiply
    915,856.32x = 1,372,814.88 × 308,066.03
  4. Step 4: Simplify right side
    915,856.32x = 422,917,628,466.20
  5. Step 5: Solve for x
    x = 422,917,628,466.20/915,856.32
  6. Step 6: Final answer
    x = 461,772.90

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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.