Home / 814,245.34-1,123,676.58-451,657.42

Finding the Fourth Proportional to 814,245.34, 1,123,676.58 and 451,657.42

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Solution

The fourth proportional to 814,245.34, 1,123,676.58 and 451,657.42 is: 623,297.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,245.34 : 1,123,676.58 = 451,657.42 : x
  2. Step 2: Convert to fraction form
    814,245.34/1,123,676.58 = 451,657.42/x
  3. Step 3: Cross multiply
    814,245.34x = 1,123,676.58 × 451,657.42
  4. Step 4: Simplify right side
    814,245.34x = 507,516,865,037.22
  5. Step 5: Solve for x
    x = 507,516,865,037.22/814,245.34
  6. Step 6: Final answer
    x = 623,297.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.