Home / 803,237.79-1,203,216.42-448,440.78

Finding the Fourth Proportional to 803,237.79, 1,203,216.42 and 448,440.78

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Solution

The fourth proportional to 803,237.79, 1,203,216.42 and 448,440.78 is: 671,745.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,237.79 : 1,203,216.42 = 448,440.78 : x
  2. Step 2: Convert to fraction form
    803,237.79/1,203,216.42 = 448,440.78/x
  3. Step 3: Cross multiply
    803,237.79x = 1,203,216.42 × 448,440.78
  4. Step 4: Simplify right side
    803,237.79x = 539,571,309,893.61
  5. Step 5: Solve for x
    x = 539,571,309,893.61/803,237.79
  6. Step 6: Final answer
    x = 671,745.42

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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.