Home / 845,222.42-1,268,959.80-490,491.02

Finding the Fourth Proportional to 845,222.42, 1,268,959.80 and 490,491.02

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Solution

The fourth proportional to 845,222.42, 1,268,959.80 and 490,491.02 is: 736,390.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,222.42 : 1,268,959.80 = 490,491.02 : x
  2. Step 2: Convert to fraction form
    845,222.42/1,268,959.80 = 490,491.02/x
  3. Step 3: Cross multiply
    845,222.42x = 1,268,959.80 × 490,491.02
  4. Step 4: Simplify right side
    845,222.42x = 622,413,386,641.00
  5. Step 5: Solve for x
    x = 622,413,386,641.00/845,222.42
  6. Step 6: Final answer
    x = 736,390.06

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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.