Home / 805,449.10-1,208,090.49-272,956.36

Finding the Fourth Proportional to 805,449.10, 1,208,090.49 and 272,956.36

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Solution

The fourth proportional to 805,449.10, 1,208,090.49 and 272,956.36 is: 409,406.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,449.10 : 1,208,090.49 = 272,956.36 : x
  2. Step 2: Convert to fraction form
    805,449.10/1,208,090.49 = 272,956.36/x
  3. Step 3: Cross multiply
    805,449.10x = 1,208,090.49 × 272,956.36
  4. Step 4: Simplify right side
    805,449.10x = 329,755,982,701.02
  5. Step 5: Solve for x
    x = 329,755,982,701.02/805,449.10
  6. Step 6: Final answer
    x = 409,406.36

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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.