Home / 898,563.28-1,240,291.92-554,504.48

Finding the Fourth Proportional to 898,563.28, 1,240,291.92 and 554,504.48

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Solution

The fourth proportional to 898,563.28, 1,240,291.92 and 554,504.48 is: 765,385.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,563.28 : 1,240,291.92 = 554,504.48 : x
  2. Step 2: Convert to fraction form
    898,563.28/1,240,291.92 = 554,504.48/x
  3. Step 3: Cross multiply
    898,563.28x = 1,240,291.92 × 554,504.48
  4. Step 4: Simplify right side
    898,563.28x = 687,747,426,147.80
  5. Step 5: Solve for x
    x = 687,747,426,147.80/898,563.28
  6. Step 6: Final answer
    x = 765,385.63

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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.