Home / 745,405.33-1,028,676.24-423,085.27

Finding the Fourth Proportional to 745,405.33, 1,028,676.24 and 423,085.27

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Solution

The fourth proportional to 745,405.33, 1,028,676.24 and 423,085.27 is: 583,867.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,405.33 : 1,028,676.24 = 423,085.27 : x
  2. Step 2: Convert to fraction form
    745,405.33/1,028,676.24 = 423,085.27/x
  3. Step 3: Cross multiply
    745,405.33x = 1,028,676.24 × 423,085.27
  4. Step 4: Simplify right side
    745,405.33x = 435,217,764,742.99
  5. Step 5: Solve for x
    x = 435,217,764,742.99/745,405.33
  6. Step 6: Final answer
    x = 583,867.26

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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.