Home / 789,966.10-1,182,944.40-434,578.60

Finding the Fourth Proportional to 789,966.10, 1,182,944.40 and 434,578.60

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Solution

The fourth proportional to 789,966.10, 1,182,944.40 and 434,578.60 is: 650,765.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,966.10 : 1,182,944.40 = 434,578.60 : x
  2. Step 2: Convert to fraction form
    789,966.10/1,182,944.40 = 434,578.60/x
  3. Step 3: Cross multiply
    789,966.10x = 1,182,944.40 × 434,578.60
  4. Step 4: Simplify right side
    789,966.10x = 514,082,321,229.84
  5. Step 5: Solve for x
    x = 514,082,321,229.84/789,966.10
  6. Step 6: Final answer
    x = 650,765.04

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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.