Home / 698,522.76-1,046,908.20-298,694.28

Finding the Fourth Proportional to 698,522.76, 1,046,908.20 and 298,694.28

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Solution

The fourth proportional to 698,522.76, 1,046,908.20 and 298,694.28 is: 447,666.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,522.76 : 1,046,908.20 = 298,694.28 : x
  2. Step 2: Convert to fraction form
    698,522.76/1,046,908.20 = 298,694.28/x
  3. Step 3: Cross multiply
    698,522.76x = 1,046,908.20 × 298,694.28
  4. Step 4: Simplify right side
    698,522.76x = 312,705,491,025.10
  5. Step 5: Solve for x
    x = 312,705,491,025.10/698,522.76
  6. Step 6: Final answer
    x = 447,666.86

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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.