Home / 882,178.28-1,219,060.98-720,974.54

Finding the Fourth Proportional to 882,178.28, 1,219,060.98 and 720,974.54

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Solution

The fourth proportional to 882,178.28, 1,219,060.98 and 720,974.54 is: 996,297.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,178.28 : 1,219,060.98 = 720,974.54 : x
  2. Step 2: Convert to fraction form
    882,178.28/1,219,060.98 = 720,974.54/x
  3. Step 3: Cross multiply
    882,178.28x = 1,219,060.98 × 720,974.54
  4. Step 4: Simplify right side
    882,178.28x = 878,911,929,287.45
  5. Step 5: Solve for x
    x = 878,911,929,287.45/882,178.28
  6. Step 6: Final answer
    x = 996,297.40

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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.