Home / 814,719.99-1,222,008.20-365,320.25

Finding the Fourth Proportional to 814,719.99, 1,222,008.20 and 365,320.25

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Solution

The fourth proportional to 814,719.99, 1,222,008.20 and 365,320.25 is: 547,948.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,719.99 : 1,222,008.20 = 365,320.25 : x
  2. Step 2: Convert to fraction form
    814,719.99/1,222,008.20 = 365,320.25/x
  3. Step 3: Cross multiply
    814,719.99x = 1,222,008.20 × 365,320.25
  4. Step 4: Simplify right side
    814,719.99x = 446,424,333,189.41
  5. Step 5: Solve for x
    x = 446,424,333,189.41/814,719.99
  6. Step 6: Final answer
    x = 547,948.18

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1.5x scale

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.