Home / 841,650.89-1,262,653.88-272,987.83

Finding the Fourth Proportional to 841,650.89, 1,262,653.88 and 272,987.83

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Solution

The fourth proportional to 841,650.89, 1,262,653.88 and 272,987.83 is: 409,539.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,650.89 : 1,262,653.88 = 272,987.83 : x
  2. Step 2: Convert to fraction form
    841,650.89/1,262,653.88 = 272,987.83/x
  3. Step 3: Cross multiply
    841,650.89x = 1,262,653.88 × 272,987.83
  4. Step 4: Simplify right side
    841,650.89x = 344,689,145,571.03
  5. Step 5: Solve for x
    x = 344,689,145,571.03/841,650.89
  6. Step 6: Final answer
    x = 409,539.33

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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.