Home / 890,828.38-1,336,465.36-259,742.19

Finding the Fourth Proportional to 890,828.38, 1,336,465.36 and 259,742.19

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Solution

The fourth proportional to 890,828.38, 1,336,465.36 and 259,742.19 is: 389,678.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,828.38 : 1,336,465.36 = 259,742.19 : x
  2. Step 2: Convert to fraction form
    890,828.38/1,336,465.36 = 259,742.19/x
  3. Step 3: Cross multiply
    890,828.38x = 1,336,465.36 × 259,742.19
  4. Step 4: Simplify right side
    890,828.38x = 347,136,436,773.73
  5. Step 5: Solve for x
    x = 347,136,436,773.73/890,828.38
  6. Step 6: Final answer
    x = 389,678.24

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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.