Home / 876,516.56-1,209,649.92-494,403.92

Finding the Fourth Proportional to 876,516.56, 1,209,649.92 and 494,403.92

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Solution

The fourth proportional to 876,516.56, 1,209,649.92 and 494,403.92 is: 682,309.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,516.56 : 1,209,649.92 = 494,403.92 : x
  2. Step 2: Convert to fraction form
    876,516.56/1,209,649.92 = 494,403.92/x
  3. Step 3: Cross multiply
    876,516.56x = 1,209,649.92 × 494,403.92
  4. Step 4: Simplify right side
    876,516.56x = 598,055,662,275.69
  5. Step 5: Solve for x
    x = 598,055,662,275.69/876,516.56
  6. Step 6: Final answer
    x = 682,309.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.