Home / 837,271.20-1,155,464.66-479,644.32

Finding the Fourth Proportional to 837,271.20, 1,155,464.66 and 479,644.32

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Solution

The fourth proportional to 837,271.20, 1,155,464.66 and 479,644.32 is: 661,926.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,271.20 : 1,155,464.66 = 479,644.32 : x
  2. Step 2: Convert to fraction form
    837,271.20/1,155,464.66 = 479,644.32/x
  3. Step 3: Cross multiply
    837,271.20x = 1,155,464.66 × 479,644.32
  4. Step 4: Simplify right side
    837,271.20x = 554,212,061,129.73
  5. Step 5: Solve for x
    x = 554,212,061,129.73/837,271.20
  6. Step 6: Final answer
    x = 661,926.58

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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.