Home / 845,888.76-1,268,431.38-491,011.56

Finding the Fourth Proportional to 845,888.76, 1,268,431.38 and 491,011.56

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Solution

The fourth proportional to 845,888.76, 1,268,431.38 and 491,011.56 is: 736,284.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,888.76 : 1,268,431.38 = 491,011.56 : x
  2. Step 2: Convert to fraction form
    845,888.76/1,268,431.38 = 491,011.56/x
  3. Step 3: Cross multiply
    845,888.76x = 1,268,431.38 × 491,011.56
  4. Step 4: Simplify right side
    845,888.76x = 622,814,470,646.75
  5. Step 5: Solve for x
    x = 622,814,470,646.75/845,888.76
  6. Step 6: Final answer
    x = 736,284.13

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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.