Home / 708,118.38-1,062,620.46-287,394.27

Finding the Fourth Proportional to 708,118.38, 1,062,620.46 and 287,394.27

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Solution

The fourth proportional to 708,118.38, 1,062,620.46 and 287,394.27 is: 431,271.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,118.38 : 1,062,620.46 = 287,394.27 : x
  2. Step 2: Convert to fraction form
    708,118.38/1,062,620.46 = 287,394.27/x
  3. Step 3: Cross multiply
    708,118.38x = 1,062,620.46 × 287,394.27
  4. Step 4: Simplify right side
    708,118.38x = 305,391,031,388.76
  5. Step 5: Solve for x
    x = 305,391,031,388.76/708,118.38
  6. Step 6: Final answer
    x = 431,271.15

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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.