Home / 845,886.76-1,268,428.38-491,009.56

Finding the Fourth Proportional to 845,886.76, 1,268,428.38 and 491,009.56

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Solution

The fourth proportional to 845,886.76, 1,268,428.38 and 491,009.56 is: 736,281.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,886.76 : 1,268,428.38 = 491,009.56 : x
  2. Step 2: Convert to fraction form
    845,886.76/1,268,428.38 = 491,009.56/x
  3. Step 3: Cross multiply
    845,886.76x = 1,268,428.38 × 491,009.56
  4. Step 4: Simplify right side
    845,886.76x = 622,810,460,755.31
  5. Step 5: Solve for x
    x = 622,810,460,755.31/845,886.76
  6. Step 6: Final answer
    x = 736,281.13

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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.