Home / 881,352.96-1,216,267.20-478,944

Finding the Fourth Proportional to 881,352.96, 1,216,267.20 and 478,944

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Solution

The fourth proportional to 881,352.96, 1,216,267.20 and 478,944 is: 660,942.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,352.96 : 1,216,267.20 = 478,944 : x
  2. Step 2: Convert to fraction form
    881,352.96/1,216,267.20 = 478,944/x
  3. Step 3: Cross multiply
    881,352.96x = 1,216,267.20 × 478,944
  4. Step 4: Simplify right side
    881,352.96x = 582,523,877,836.80
  5. Step 5: Solve for x
    x = 582,523,877,836.80/881,352.96
  6. Step 6: Final answer
    x = 660,942.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.