Home / 818,821.44-1,228,460.03-357,239.81

Finding the Fourth Proportional to 818,821.44, 1,228,460.03 and 357,239.81

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Solution

The fourth proportional to 818,821.44, 1,228,460.03 and 357,239.81 is: 535,959.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,821.44 : 1,228,460.03 = 357,239.81 : x
  2. Step 2: Convert to fraction form
    818,821.44/1,228,460.03 = 357,239.81/x
  3. Step 3: Cross multiply
    818,821.44x = 1,228,460.03 × 357,239.81
  4. Step 4: Simplify right side
    818,821.44x = 438,854,819,781.30
  5. Step 5: Solve for x
    x = 438,854,819,781.30/818,821.44
  6. Step 6: Final answer
    x = 535,959.12

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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.