Home / 853,716.60-1,280,647.80-292,751.10

Finding the Fourth Proportional to 853,716.60, 1,280,647.80 and 292,751.10

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Solution

The fourth proportional to 853,716.60, 1,280,647.80 and 292,751.10 is: 439,151.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,716.60 : 1,280,647.80 = 292,751.10 : x
  2. Step 2: Convert to fraction form
    853,716.60/1,280,647.80 = 292,751.10/x
  3. Step 3: Cross multiply
    853,716.60x = 1,280,647.80 × 292,751.10
  4. Step 4: Simplify right side
    853,716.60x = 374,911,052,162.58
  5. Step 5: Solve for x
    x = 374,911,052,162.58/853,716.60
  6. Step 6: Final answer
    x = 439,151.65

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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.