Home / 745,229.66-1,028,551.06-439,287.88

Finding the Fourth Proportional to 745,229.66, 1,028,551.06 and 439,287.88

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Solution

The fourth proportional to 745,229.66, 1,028,551.06 and 439,287.88 is: 606,296.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,229.66 : 1,028,551.06 = 439,287.88 : x
  2. Step 2: Convert to fraction form
    745,229.66/1,028,551.06 = 439,287.88/x
  3. Step 3: Cross multiply
    745,229.66x = 1,028,551.06 × 439,287.88
  4. Step 4: Simplify right side
    745,229.66x = 451,830,014,619.15
  5. Step 5: Solve for x
    x = 451,830,014,619.15/745,229.66
  6. Step 6: Final answer
    x = 606,296.34

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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.