Home / 845,945.96-1,268,412.05-269,320.04

Finding the Fourth Proportional to 845,945.96, 1,268,412.05 and 269,320.04

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Solution

The fourth proportional to 845,945.96, 1,268,412.05 and 269,320.04 is: 403,818.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,945.96 : 1,268,412.05 = 269,320.04 : x
  2. Step 2: Convert to fraction form
    845,945.96/1,268,412.05 = 269,320.04/x
  3. Step 3: Cross multiply
    845,945.96x = 1,268,412.05 × 269,320.04
  4. Step 4: Simplify right side
    845,945.96x = 341,608,776,353.82
  5. Step 5: Solve for x
    x = 341,608,776,353.82/845,945.96
  6. Step 6: Final answer
    x = 403,818.68

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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.