Home / 698,900.10-1,049,334.30-433,179.60

Finding the Fourth Proportional to 698,900.10, 1,049,334.30 and 433,179.60

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Solution

The fourth proportional to 698,900.10, 1,049,334.30 and 433,179.60 is: 650,379.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,900.10 : 1,049,334.30 = 433,179.60 : x
  2. Step 2: Convert to fraction form
    698,900.10/1,049,334.30 = 433,179.60/x
  3. Step 3: Cross multiply
    698,900.10x = 1,049,334.30 × 433,179.60
  4. Step 4: Simplify right side
    698,900.10x = 454,550,212,340.28
  5. Step 5: Solve for x
    x = 454,550,212,340.28/698,900.10
  6. Step 6: Final answer
    x = 650,379.38

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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.