Home / 841,780.78-1,262,857.75-242,695.19

Finding the Fourth Proportional to 841,780.78, 1,262,857.75 and 242,695.19

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Solution

The fourth proportional to 841,780.78, 1,262,857.75 and 242,695.19 is: 364,096.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,780.78 : 1,262,857.75 = 242,695.19 : x
  2. Step 2: Convert to fraction form
    841,780.78/1,262,857.75 = 242,695.19/x
  3. Step 3: Cross multiply
    841,780.78x = 1,262,857.75 × 242,695.19
  4. Step 4: Simplify right side
    841,780.78x = 306,489,504,129.63
  5. Step 5: Solve for x
    x = 306,489,504,129.63/841,780.78
  6. Step 6: Final answer
    x = 364,096.58

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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.