Home / 814,361.79-1,123,352.35-507,906.12

Finding the Fourth Proportional to 814,361.79, 1,123,352.35 and 507,906.12

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Solution

The fourth proportional to 814,361.79, 1,123,352.35 and 507,906.12 is: 700,619.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,361.79 : 1,123,352.35 = 507,906.12 : x
  2. Step 2: Convert to fraction form
    814,361.79/1,123,352.35 = 507,906.12/x
  3. Step 3: Cross multiply
    814,361.79x = 1,123,352.35 × 507,906.12
  4. Step 4: Simplify right side
    814,361.79x = 570,557,536,289.76
  5. Step 5: Solve for x
    x = 570,557,536,289.76/814,361.79
  6. Step 6: Final answer
    x = 700,619.24

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Double scale
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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.