Home / 915,856.57-1,372,815.25-308,066.28

Finding the Fourth Proportional to 915,856.57, 1,372,815.25 and 308,066.28

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Solution

The fourth proportional to 915,856.57, 1,372,815.25 and 308,066.28 is: 461,773.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,856.57 : 1,372,815.25 = 308,066.28 : x
  2. Step 2: Convert to fraction form
    915,856.57/1,372,815.25 = 308,066.28/x
  3. Step 3: Cross multiply
    915,856.57x = 1,372,815.25 × 308,066.28
  4. Step 4: Simplify right side
    915,856.57x = 422,918,087,194.77
  5. Step 5: Solve for x
    x = 422,918,087,194.77/915,856.57
  6. Step 6: Final answer
    x = 461,773.27

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Double scale
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1.5x scale

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.