Home / 708,114.45-1,062,614.55-287,390.33

Finding the Fourth Proportional to 708,114.45, 1,062,614.55 and 287,390.33

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Solution

The fourth proportional to 708,114.45, 1,062,614.55 and 287,390.33 is: 431,265.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,114.45 : 1,062,614.55 = 287,390.33 : x
  2. Step 2: Convert to fraction form
    708,114.45/1,062,614.55 = 287,390.33/x
  3. Step 3: Cross multiply
    708,114.45x = 1,062,614.55 × 287,390.33
  4. Step 4: Simplify right side
    708,114.45x = 305,385,140,874.23
  5. Step 5: Solve for x
    x = 305,385,140,874.23/708,114.45
  6. Step 6: Final answer
    x = 431,265.23

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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.