Home / 818,254.17-1,227,579.30-278,505

Finding the Fourth Proportional to 818,254.17, 1,227,579.30 and 278,505

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Solution

The fourth proportional to 818,254.17, 1,227,579.30 and 278,505 is: 417,824.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,254.17 : 1,227,579.30 = 278,505 : x
  2. Step 2: Convert to fraction form
    818,254.17/1,227,579.30 = 278,505/x
  3. Step 3: Cross multiply
    818,254.17x = 1,227,579.30 × 278,505
  4. Step 4: Simplify right side
    818,254.17x = 341,886,972,946.50
  5. Step 5: Solve for x
    x = 341,886,972,946.50/818,254.17
  6. Step 6: Final answer
    x = 417,824.91

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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.