Home / 744,958.62-1,028,151.23-418,308.30

Finding the Fourth Proportional to 744,958.62, 1,028,151.23 and 418,308.30

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Solution

The fourth proportional to 744,958.62, 1,028,151.23 and 418,308.30 is: 577,326.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,958.62 : 1,028,151.23 = 418,308.30 : x
  2. Step 2: Convert to fraction form
    744,958.62/1,028,151.23 = 418,308.30/x
  3. Step 3: Cross multiply
    744,958.62x = 1,028,151.23 × 418,308.30
  4. Step 4: Simplify right side
    744,958.62x = 430,084,191,072.67
  5. Step 5: Solve for x
    x = 430,084,191,072.67/744,958.62
  6. Step 6: Final answer
    x = 577,326.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.