Home / 803,233.10-1,203,209.38-448,436.08

Finding the Fourth Proportional to 803,233.10, 1,203,209.38 and 448,436.08

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Solution

The fourth proportional to 803,233.10, 1,203,209.38 and 448,436.08 is: 671,738.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,233.10 : 1,203,209.38 = 448,436.08 : x
  2. Step 2: Convert to fraction form
    803,233.10/1,203,209.38 = 448,436.08/x
  3. Step 3: Cross multiply
    803,233.10x = 1,203,209.38 × 448,436.08
  4. Step 4: Simplify right side
    803,233.10x = 539,562,497,786.43
  5. Step 5: Solve for x
    x = 539,562,497,786.43/803,233.10
  6. Step 6: Final answer
    x = 671,738.38

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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.