Home / 745,788.30-1,028,748.26-527,751.68

Finding the Fourth Proportional to 745,788.30, 1,028,748.26 and 527,751.68

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Solution

The fourth proportional to 745,788.30, 1,028,748.26 and 527,751.68 is: 727,986.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,788.30 : 1,028,748.26 = 527,751.68 : x
  2. Step 2: Convert to fraction form
    745,788.30/1,028,748.26 = 527,751.68/x
  3. Step 3: Cross multiply
    745,788.30x = 1,028,748.26 × 527,751.68
  4. Step 4: Simplify right side
    745,788.30x = 542,923,622,512.08
  5. Step 5: Solve for x
    x = 542,923,622,512.08/745,788.30
  6. Step 6: Final answer
    x = 727,986.24

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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.