Home / 745,548.44-1,028,820.30-423,215.44

Finding the Fourth Proportional to 745,548.44, 1,028,820.30 and 423,215.44

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Solution

The fourth proportional to 745,548.44, 1,028,820.30 and 423,215.44 is: 584,016.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,548.44 : 1,028,820.30 = 423,215.44 : x
  2. Step 2: Convert to fraction form
    745,548.44/1,028,820.30 = 423,215.44/x
  3. Step 3: Cross multiply
    745,548.44x = 1,028,820.30 × 423,215.44
  4. Step 4: Simplify right side
    745,548.44x = 435,412,635,945.43
  5. Step 5: Solve for x
    x = 435,412,635,945.43/745,548.44
  6. Step 6: Final answer
    x = 584,016.56

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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.