Home / 814,649.40-1,221,483.24-365,288.94

Finding the Fourth Proportional to 814,649.40, 1,221,483.24 and 365,288.94

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Solution

The fourth proportional to 814,649.40, 1,221,483.24 and 365,288.94 is: 547,713.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,649.40 : 1,221,483.24 = 365,288.94 : x
  2. Step 2: Convert to fraction form
    814,649.40/1,221,483.24 = 365,288.94/x
  3. Step 3: Cross multiply
    814,649.40x = 1,221,483.24 × 365,288.94
  4. Step 4: Simplify right side
    814,649.40x = 446,194,317,967.37
  5. Step 5: Solve for x
    x = 446,194,317,967.37/814,649.40
  6. Step 6: Final answer
    x = 547,713.31

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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.