Home / 789,949.10-1,182,918.90-434,561.60

Finding the Fourth Proportional to 789,949.10, 1,182,918.90 and 434,561.60

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Solution

The fourth proportional to 789,949.10, 1,182,918.90 and 434,561.60 is: 650,739.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,949.10 : 1,182,918.90 = 434,561.60 : x
  2. Step 2: Convert to fraction form
    789,949.10/1,182,918.90 = 434,561.60/x
  3. Step 3: Cross multiply
    789,949.10x = 1,182,918.90 × 434,561.60
  4. Step 4: Simplify right side
    789,949.10x = 514,051,129,854.24
  5. Step 5: Solve for x
    x = 514,051,129,854.24/789,949.10
  6. Step 6: Final answer
    x = 650,739.56

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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.