Home / 810,466.82-1,214,613.55-630,769.22

Finding the Fourth Proportional to 810,466.82, 1,214,613.55 and 630,769.22

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Solution

The fourth proportional to 810,466.82, 1,214,613.55 and 630,769.22 is: 945,308.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,466.82 : 1,214,613.55 = 630,769.22 : x
  2. Step 2: Convert to fraction form
    810,466.82/1,214,613.55 = 630,769.22/x
  3. Step 3: Cross multiply
    810,466.82x = 1,214,613.55 × 630,769.22
  4. Step 4: Simplify right side
    810,466.82x = 766,140,841,534.93
  5. Step 5: Solve for x
    x = 766,140,841,534.93/810,466.82
  6. Step 6: Final answer
    x = 945,308.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.