Home / 682,741.60-939,655.44-501,165.92

Finding the Fourth Proportional to 682,741.60, 939,655.44 and 501,165.92

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Solution

The fourth proportional to 682,741.60, 939,655.44 and 501,165.92 is: 689,753.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,741.60 : 939,655.44 = 501,165.92 : x
  2. Step 2: Convert to fraction form
    682,741.60/939,655.44 = 501,165.92/x
  3. Step 3: Cross multiply
    682,741.60x = 939,655.44 × 501,165.92
  4. Step 4: Simplify right side
    682,741.60x = 470,923,285,419.74
  5. Step 5: Solve for x
    x = 470,923,285,419.74/682,741.60
  6. Step 6: Final answer
    x = 689,753.32

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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.