Home / 805,446.10-1,208,085.99-272,953.36

Finding the Fourth Proportional to 805,446.10, 1,208,085.99 and 272,953.36

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Solution

The fourth proportional to 805,446.10, 1,208,085.99 and 272,953.36 is: 409,401.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,446.10 : 1,208,085.99 = 272,953.36 : x
  2. Step 2: Convert to fraction form
    805,446.10/1,208,085.99 = 272,953.36/x
  3. Step 3: Cross multiply
    805,446.10x = 1,208,085.99 × 272,953.36
  4. Step 4: Simplify right side
    805,446.10x = 329,751,130,139.43
  5. Step 5: Solve for x
    x = 329,751,130,139.43/805,446.10
  6. Step 6: Final answer
    x = 409,401.86

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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.