Home / 810,472.88-1,214,622.60-630,775.28

Finding the Fourth Proportional to 810,472.88, 1,214,622.60 and 630,775.28

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Solution

The fourth proportional to 810,472.88, 1,214,622.60 and 630,775.28 is: 945,317.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,472.88 : 1,214,622.60 = 630,775.28 : x
  2. Step 2: Convert to fraction form
    810,472.88/1,214,622.60 = 630,775.28/x
  3. Step 3: Cross multiply
    810,472.88x = 1,214,622.60 × 630,775.28
  4. Step 4: Simplify right side
    810,472.88x = 766,153,910,609.33
  5. Step 5: Solve for x
    x = 766,153,910,609.33/810,472.88
  6. Step 6: Final answer
    x = 945,317.15

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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.