Home / 928,588.69-1,281,505.76-520,821.33

Finding the Fourth Proportional to 928,588.69, 1,281,505.76 and 520,821.33

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Solution

The fourth proportional to 928,588.69, 1,281,505.76 and 520,821.33 is: 718,763.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,588.69 : 1,281,505.76 = 520,821.33 : x
  2. Step 2: Convert to fraction form
    928,588.69/1,281,505.76 = 520,821.33/x
  3. Step 3: Cross multiply
    928,588.69x = 1,281,505.76 × 520,821.33
  4. Step 4: Simplify right side
    928,588.69x = 667,435,534,325.86
  5. Step 5: Solve for x
    x = 667,435,534,325.86/928,588.69
  6. Step 6: Final answer
    x = 718,763.37

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.