Home / 980,516.72-1,352,903.16-572,433.68

Finding the Fourth Proportional to 980,516.72, 1,352,903.16 and 572,433.68

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Solution

The fourth proportional to 980,516.72, 1,352,903.16 and 572,433.68 is: 789,835.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,516.72 : 1,352,903.16 = 572,433.68 : x
  2. Step 2: Convert to fraction form
    980,516.72/1,352,903.16 = 572,433.68/x
  3. Step 3: Cross multiply
    980,516.72x = 1,352,903.16 × 572,433.68
  4. Step 4: Simplify right side
    980,516.72x = 774,447,334,562.43
  5. Step 5: Solve for x
    x = 774,447,334,562.43/980,516.72
  6. Step 6: Final answer
    x = 789,835.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.