Home / 847,830.82-1,272,825.36-549,559.54

Finding the Fourth Proportional to 847,830.82, 1,272,825.36 and 549,559.54

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Solution

The fourth proportional to 847,830.82, 1,272,825.36 and 549,559.54 is: 825,038.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,830.82 : 1,272,825.36 = 549,559.54 : x
  2. Step 2: Convert to fraction form
    847,830.82/1,272,825.36 = 549,559.54/x
  3. Step 3: Cross multiply
    847,830.82x = 1,272,825.36 × 549,559.54
  4. Step 4: Simplify right side
    847,830.82x = 699,493,319,341.94
  5. Step 5: Solve for x
    x = 699,493,319,341.94/847,830.82
  6. Step 6: Final answer
    x = 825,038.80

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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.