Home / 847,829.82-1,272,823.86-549,558.54

Finding the Fourth Proportional to 847,829.82, 1,272,823.86 and 549,558.54

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Solution

The fourth proportional to 847,829.82, 1,272,823.86 and 549,558.54 is: 825,037.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,829.82 : 1,272,823.86 = 549,558.54 : x
  2. Step 2: Convert to fraction form
    847,829.82/1,272,823.86 = 549,558.54/x
  3. Step 3: Cross multiply
    847,829.82x = 1,272,823.86 × 549,558.54
  4. Step 4: Simplify right side
    847,829.82x = 699,491,222,178.77
  5. Step 5: Solve for x
    x = 699,491,222,178.77/847,829.82
  6. Step 6: Final answer
    x = 825,037.30

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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.