Home / 892,054.80-1,338,221.61-292,879.68

Finding the Fourth Proportional to 892,054.80, 1,338,221.61 and 292,879.68

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Solution

The fourth proportional to 892,054.80, 1,338,221.61 and 292,879.68 is: 439,365.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,054.80 : 1,338,221.61 = 292,879.68 : x
  2. Step 2: Convert to fraction form
    892,054.80/1,338,221.61 = 292,879.68/x
  3. Step 3: Cross multiply
    892,054.80x = 1,338,221.61 × 292,879.68
  4. Step 4: Simplify right side
    892,054.80x = 391,937,916,905.89
  5. Step 5: Solve for x
    x = 391,937,916,905.89/892,054.80
  6. Step 6: Final answer
    x = 439,365.29

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1.5x scale

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.