Home / 745,226.66-1,028,546.91-439,284.87

Finding the Fourth Proportional to 745,226.66, 1,028,546.91 and 439,284.87

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Solution

The fourth proportional to 745,226.66, 1,028,546.91 and 439,284.87 is: 606,292.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,226.66 : 1,028,546.91 = 439,284.87 : x
  2. Step 2: Convert to fraction form
    745,226.66/1,028,546.91 = 439,284.87/x
  3. Step 3: Cross multiply
    745,226.66x = 1,028,546.91 × 439,284.87
  4. Step 4: Simplify right side
    745,226.66x = 451,825,095,648.25
  5. Step 5: Solve for x
    x = 451,825,095,648.25/745,226.66
  6. Step 6: Final answer
    x = 606,292.18

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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.