Home / 698,905.22-1,048,184.60-299,500.70

Finding the Fourth Proportional to 698,905.22, 1,048,184.60 and 299,500.70

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Solution

The fourth proportional to 698,905.22, 1,048,184.60 and 299,500.70 is: 449,176.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,905.22 : 1,048,184.60 = 299,500.70 : x
  2. Step 2: Convert to fraction form
    698,905.22/1,048,184.60 = 299,500.70/x
  3. Step 3: Cross multiply
    698,905.22x = 1,048,184.60 × 299,500.70
  4. Step 4: Simplify right side
    698,905.22x = 313,932,014,690.79
  5. Step 5: Solve for x
    x = 313,932,014,690.79/698,905.22
  6. Step 6: Final answer
    x = 449,176.81

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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.