Home / 676,566.54-1,015,183.26-316,761.72

Finding the Fourth Proportional to 676,566.54, 1,015,183.26 and 316,761.72

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Solution

The fourth proportional to 676,566.54, 1,015,183.26 and 316,761.72 is: 475,298.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,566.54 : 1,015,183.26 = 316,761.72 : x
  2. Step 2: Convert to fraction form
    676,566.54/1,015,183.26 = 316,761.72/x
  3. Step 3: Cross multiply
    676,566.54x = 1,015,183.26 × 316,761.72
  4. Step 4: Simplify right side
    676,566.54x = 321,571,195,552.81
  5. Step 5: Solve for x
    x = 321,571,195,552.81/676,566.54
  6. Step 6: Final answer
    x = 475,298.70

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1.5x scale

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.