Home / 789,983.10-1,182,969.90-434,595.60

Finding the Fourth Proportional to 789,983.10, 1,182,969.90 and 434,595.60

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Solution

The fourth proportional to 789,983.10, 1,182,969.90 and 434,595.60 is: 650,790.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,983.10 : 1,182,969.90 = 434,595.60 : x
  2. Step 2: Convert to fraction form
    789,983.10/1,182,969.90 = 434,595.60/x
  3. Step 3: Cross multiply
    789,983.10x = 1,182,969.90 × 434,595.60
  4. Step 4: Simplify right side
    789,983.10x = 514,113,513,472.44
  5. Step 5: Solve for x
    x = 514,113,513,472.44/789,983.10
  6. Step 6: Final answer
    x = 650,790.52

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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.