Home / 954,776.45-1,432,121.46-280,879.74

Finding the Fourth Proportional to 954,776.45, 1,432,121.46 and 280,879.74

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Solution

The fourth proportional to 954,776.45, 1,432,121.46 and 280,879.74 is: 421,306.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,776.45 : 1,432,121.46 = 280,879.74 : x
  2. Step 2: Convert to fraction form
    954,776.45/1,432,121.46 = 280,879.74/x
  3. Step 3: Cross multiply
    954,776.45x = 1,432,121.46 × 280,879.74
  4. Step 4: Simplify right side
    954,776.45x = 402,253,903,333.22
  5. Step 5: Solve for x
    x = 402,253,903,333.22/954,776.45
  6. Step 6: Final answer
    x = 421,306.90

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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.