Home / 888,722.40-1,333,082.64-289,683.36

Finding the Fourth Proportional to 888,722.40, 1,333,082.64 and 289,683.36

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Solution

The fourth proportional to 888,722.40, 1,333,082.64 and 289,683.36 is: 434,524.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,722.40 : 1,333,082.64 = 289,683.36 : x
  2. Step 2: Convert to fraction form
    888,722.40/1,333,082.64 = 289,683.36/x
  3. Step 3: Cross multiply
    888,722.40x = 1,333,082.64 × 289,683.36
  4. Step 4: Simplify right side
    888,722.40x = 386,171,858,312.87
  5. Step 5: Solve for x
    x = 386,171,858,312.87/888,722.40
  6. Step 6: Final answer
    x = 434,524.73

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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.