Home / 803,645.36-1,108,949.82-481,347.17

Finding the Fourth Proportional to 803,645.36, 1,108,949.82 and 481,347.17

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Solution

The fourth proportional to 803,645.36, 1,108,949.82 and 481,347.17 is: 664,210.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,645.36 : 1,108,949.82 = 481,347.17 : x
  2. Step 2: Convert to fraction form
    803,645.36/1,108,949.82 = 481,347.17/x
  3. Step 3: Cross multiply
    803,645.36x = 1,108,949.82 × 481,347.17
  4. Step 4: Simplify right side
    803,645.36x = 533,789,857,529.01
  5. Step 5: Solve for x
    x = 533,789,857,529.01/803,645.36
  6. Step 6: Final answer
    x = 664,210.71

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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.