Home / 818,342.40-1,225,992.96-444,679.68

Finding the Fourth Proportional to 818,342.40, 1,225,992.96 and 444,679.68

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Solution

The fourth proportional to 818,342.40, 1,225,992.96 and 444,679.68 is: 666,193.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,342.40 : 1,225,992.96 = 444,679.68 : x
  2. Step 2: Convert to fraction form
    818,342.40/1,225,992.96 = 444,679.68/x
  3. Step 3: Cross multiply
    818,342.40x = 1,225,992.96 × 444,679.68
  4. Step 4: Simplify right side
    818,342.40x = 545,174,157,135.05
  5. Step 5: Solve for x
    x = 545,174,157,135.05/818,342.40
  6. Step 6: Final answer
    x = 666,193.22

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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.