Home / 814,719.12-1,222,006.89-365,319.37

Finding the Fourth Proportional to 814,719.12, 1,222,006.89 and 365,319.37

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Solution

The fourth proportional to 814,719.12, 1,222,006.89 and 365,319.37 is: 547,946.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,719.12 : 1,222,006.89 = 365,319.37 : x
  2. Step 2: Convert to fraction form
    814,719.12/1,222,006.89 = 365,319.37/x
  3. Step 3: Cross multiply
    814,719.12x = 1,222,006.89 × 365,319.37
  4. Step 4: Simplify right side
    814,719.12x = 446,422,785,363.86
  5. Step 5: Solve for x
    x = 446,422,785,363.86/814,719.12
  6. Step 6: Final answer
    x = 547,946.87

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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.